diff --git a/d01/d01_2.py b/d01/d01_2.py
index f2393ee..9112b36 100644
--- a/d01/d01_2.py
+++ b/d01/d01_2.py
@@ -1,5 +1,5 @@
 import sys
-L = [int(l[:-1]) for l in sys.stdin.readlines()]
+L = list(map(int,sys.stdin.read().splitlines()))
 print(sum([0,1][a<d] for (a,d) in zip(L, L[3:])))
 
 # window1 = [A,B,C] ; window2 = [B,C,D]
diff --git a/d10/d10_1.py b/d10/d10_1.py
new file mode 100644
index 0000000..f140e35
--- /dev/null
+++ b/d10/d10_1.py
@@ -0,0 +1,22 @@
+import sys
+from collections import deque
+
+D = { ">":"<", ")":"(", "]":"[","}":"{", }
+S = { ")": 3, "]": 57, "}": 1197, ">": 25137, }
+L = sys.stdin.read().splitlines()
+N = 0
+for l in L:
+	Q = deque(["y"]*120)
+	for c in l:
+		p = Q.pop()
+		if c in D:  # if closing char
+			e = D[c]
+			if p != e: # fail case
+				N += S[c]
+				break
+			else: # just discard the pair
+				pass
+		else:  # not closing
+			Q.append(p)
+			Q.append(c)
+print(N)
diff --git a/d10/d10_2.py b/d10/d10_2.py
new file mode 100644
index 0000000..36921c3
--- /dev/null
+++ b/d10/d10_2.py
@@ -0,0 +1,28 @@
+import sys
+from collections import deque
+D = { ">":"<", ")":"(", "]":"[","}":"{", }
+S = {  "(":1, "[":2, "{":3, "<":4, }
+L = sys.stdin.read().splitlines()
+N = []
+for l in L:
+	Q = deque(["y"]*120)
+	fail = False
+	for c in l:
+		p = Q.pop()
+		if c in D:  # if closing char
+			e = D[c]
+			if p != e: # fail case
+				fail = True
+				break
+			else: # just discard the pair
+				pass
+		else:  # not closing
+			Q.append(p)
+			Q.append(c)
+	if not fail:
+		R = list(Q)[120:]
+		s = 0
+		for r in reversed(R):
+			s = s*5 + S[r]
+		N.append(s)
+print(sorted(N)[len(N)//2])
diff --git a/d10/input b/d10/input
new file mode 100644
index 0000000..adeda77
--- /dev/null
+++ b/d10/input
@@ -0,0 +1,90 @@
+<[<<<<[{[<({{({}<>)<[]{}>}[<<>{}>{<>{}}]}{(({}<>){()<>}){{[]<>}{[]}}})>([{{(()[])[{}()]}}(<{{}<>}
+<<[<<{[<<<{{<(()[])>[({}{})]}}({{({}())[<>{}]}}{{(<><>)[<>()]}<<<>{}><<>()>>})>{[[<(<>[])[[]{}]>{{[]<>}<[]
+<[{<<(<([{<[<{()<>}<{}[]>>([<>()]{<>()})]{[([][])<{}<>>][<<><>>]}>}][[[<{{[]{}}[[][]]}([{}[]]<[]<>
+<{[(<<[({([{<[{}[]]{<>{}}>}[(({}()){[]<>])]]{{<<[]>([]<>)><<{}()>{<>[]}>}{({<><>}<<>{}>){(()[])<()<>>}}})
+[{<{[(({[[<<<<<>()>{(){}}>[{[]{}}(<><>)]>{[<[][]>(()<>)]<<[]()><()()>>}>])}(<{<[<<{}[]>>{[()[]]({}{})}]>{
+[<{<[[[<{[<<[{<>{}}<(){}>]{<{}{}><{}{}>}>{<(()<>){<><>}>}><[<{{}()}>{{<>()}{()<>}}]({<{}<>>}[{()<>}[()()]])
+(([(<({[<<({{<()()]{[]{}}}[{<>()}[[]()]]}({[<><>]}<[<>{}][()<>]>)){{[[[]<>]<<><>>](({}{}){{}()})}}>>]})>)<((
+(<<({((<<(<{([()]<()[]>)}[{(()<>)(()())}{{()<>}<()()>}]>)({[<(<>())((){})><{<><>}[{}<>]>][[[<>
+[(<([{[[[{{{([()()]([]()))[<[][]>[<><>]]}{(<[]>[(){}]){[<>{}]{{}()}}}>[<<[[][]][{}()]>[<<>{}>
+{<{[[[{<<([({[<><>][(){}]}({(){}}[{}<>]))<{[(){}][<>{}]}{(()()){{}[]}}>]{[((()[])<()[]>)<<(){}>{{
+[<[{{{({([({<<(){}>[{}<>]><{{}<>}[<><>]>}[[<(){}>([]{})]<{(){}}[{}[]]>])[<({<>{}}<{}<>>)({<><>})>]]){(<(({
+<<{[[{[[(<[{[[{}()][()[]]](<[]{}>(<>))}(([{}()])<[{}()](<>())))]><(<[[<>{}](<>())][[<>()][()]]>{<<<><>>[()[
+<<([<[{{[[({[{()}[{}<>]]({{}{}}{<><>})}<{{{}()}<()[]>}<<{}{}><[][]>>>)<{([[]<>]<{}()>)][([{}()
+[(<<[[{<<{<[[<()[]>({}<>)]<{[]<>}<{}<>>>]{<<()<>>[[]{}]>([{}()]{()()})}>[<{((){})[{}()]}[([]{})<()[
+[<<(<{[{{[<{(([])({}())){<<>>{()[]}}}{[(<><>)[[]()]]{<<><>><()<>>]}><((<<>()>{<>{}})){[{()()}][[()[]]([]{})
+((<[({<[(({[{(()())<(){}>}<[[]<>]{()()}>]({<()<>>(<>())})}<(<[[][]]{<>[]}><<[]<>>[{}[]]>)<{([]{})[{}()]}([[]
+[([{<[{(<<({[<{}()>([][])]{({}<>){{}[]}}}[<((){}){<>{}})[{(){}}]])({([{}<>]{<>{}})})>[<<{<{}<>><[
+[{{{[<({({{{[<{}()><[][]>]({{}{}}([]))}{<[<>{}]{{}{}>><{{}<>}>}}}[[[([{}()](()()))][({<>{}}{<>{}}){
+[<{[{{(<{[<[(<()()>{()[]}){{{}{}}(<><>)}]<<({}{}){{}()}>{([])(<><>)}>>[({{[]{}}})<{(<><>){(){}}}((()<
+<[<<[<(([<[{(<[][]>(<>[]}){{{}<>}[{}()]}}]<[[<{}{}>{()()}][[<>()]]]([<()>(()[])])>>][{[((<[
+[{({<[[{<<[<[(<>{})<[]{}>]<<[]{}>[<><>]>>{({()<>}[<><>])}]><{{{{[]()}{<>[]}}<((){})>}({<(){}>[
+{[<([[<(((<{<{[]<>}<[][]>>}>)))[<<{[([[]<>]([][]))(({}<>)<<><>>)]<{{{}{}}<<><>>}([()<>](()()>)>}>>]>{({<{
+{{{{(([<(<{({(()())([][])}{({}()){[]{}}})}({(((){})[{}[]])}{((<><>){<><>}>[<{}[]>{<>[]}]})><[{<(<>[
+<[<[<(<<<{(([[(){}]({}<>)]){<[()<>]{()()}>[[{}{}](<>)]})((((()<>)({}<>])[[{}<>][<><>]])(<<{}{}>(()()
+[[{(([<{<[[({{{}{}}<[]<>>}{([]){<>()}})[(<[]()>(<><>)){<<>()>{()[]}}]]]>(<[[{(()<>)[[]{}]}(([]())(()
+{<<(<<([(<(<({[]{}}{[]<>})>({([]<>)<[]{}>})){{([(){}]([]<>)){[[]()]}}}>{<{((()](<>()))}[(<{}<>>((){})
+[({{{{{(<{({[{<>())(()())][<[]<>><[][]>]}{<[<><>][()()]>[<()()>([]{})]})<[[([][])<[]()>]<([][])<()<>>>]
+[[[<([<[<(<{(([]<>)<{}<>>)<[{}[]]<()[]>>}{{([]()){()[]}}([{}{}](()()))}><{{<()<>><()()>}{<{}<>}{<>()}}}{{[[
+(<({({[[(<[{<{(){}}[{}{}]><{()()}>}[([<>()]({}<>)){<{}()>({}[])}]]>)[[(([(<>[])<()<>>]){[<
+({<[<{<<{{{({[()[]]})({[()()]{{}()}}(([]<>)<<>[]>))}}}>>(([({<[{[]}[[]()]][[<>[]]([]<>)]>({[<>()]{
+{{(<[{({<[{{[{{}()}(<>{})]{[()[]]([]{})}}{([[]()][[]])[[[]()][()[]]}}}[<[<{}()>[{}[]]]>({<[]()>([
+<(([(([[[[(([({}{}){()<>}]<{()[]}([]<>)]))]][{[({{<>()}<{}<>>})([[<>()]])](<[<<>()>]({()<>}{[]{}})>{[(()
+([<{[<<<(<[{(<{}<>>[<>()])[<(){}>]}[[[()[]][()<>]]<<[]{}><<>()>>]]<[<{{}<>}{()<>}>{{[]()}})(<<<><>>>{
+[{({{<(((({(<{(){}}>((())(()<>)))((<{}{}>((){}))<[[]]((){})>)})(<(([[]{}]<<><>>)<{()[]>(<>())>)>))))>}{{{({
+[{(<<{{(<[{({{{}{}}{<><>}})}(<{({}<>)[<>{}]}<[{}{}]{{}{}}>>)]>([[{(<[][])<[]<>>)<(()<>)[[][]]>}[({()<>
+<[([[((([{<[{(<>{}){<>()}}(({}[]])]([([]())<<>[]>])>[{<[{}<>](<>[])>}<[[(){}][{}()]]{{{}<>}[{}[]]}>]}])))][{(
+(<[[(({({{[<<[<>[]][<>{}]>[[<>{}]((){})]><<<{}<>>[<>{}]><{[]{}}[()<>]>>]([[[<>{}]{()()}]<<()<
+[{{{{<<{{{{<({<>()}((){}))(<[][]>{[][]})>{<(()<>)[()<>]><<{}{}>{{}[]}>}}<[[<{}{}>]{[<>()]<<><>>}]{<(()())<{}
+([(<<{[{(<{<(<{}{}><{}<>>)[(<>[]){(){}}]>({<[]()>(<>{})}<{[]{}}[(){}]>)}>([[<<[]()>(<>)>(<<>[
+<(<<{<{[{[<[{<()<>>([][])}]>]}]}><<<[([{(({}{})(()()))({()()}<<>>)}([(<>{})(<>[])][({}<>)[[]<>
+<([[((<[<[[((<{}<>><{}()>)<(<>{})<[]<>>>)[<{()}({}())>{[[]{}]{()[]}}]]<<[(()[])(<>())]{<[]<>>
+<<{{{<<({{<[<[<>()]{{}<>}>{<()<>>{[]{}}}]>}}{({[<[()[]][<>{}]>((()[])<{}()>)]}([{[[]{}]<[]<>>}{([]
+(({[(<({<{[[{<<><>>({}[])}(<<><>>[[]{}]))(<{<>{}}[[]{}]>[[<>{}]({}{})])][<[<()[]><()<>>]><[({}[])[<>()]]<([](
+([([[([(<{[<([<>{}][(){}]){<<>()><()<>>}>{[{()<>}[[][]]][[{}{}]<(){}>]}]([<[[]()]{{}[]}>[{<>[]}[[](
+({((<[(<(({{([{}[]](<>()))[({}())]}[{[<>{}]<<>()>}{[{}]}]}({{<[][])[{}[]]}}((<<>{}><<>{}>))))<[<{[(){}][{
+{([<{{(({[(<<{<>{}}[<><>]>{(<>[])({}())}>{((()[])[{}]){([][])((){})}})][<[<<[]()>{(){}}>]((<{}()>[{}()])<<{
+{{<<(<[<(((({{{}<>}{[]<>}}[(<><>){[]()}]))[<{([]<>)<[]()>}([[]{}]<()>)>{{[<>[]]({}<>)}{<<>[]>[<><>
+[<({{[{{[(<[[<[][]>{<>{}}][{{}[]}[(){}]]]>{{(<{}[]>(<>()))<((){})>}[{([])}]}){[<[{()<>}<[][]>][[
+({<{{{(({({<(<{}[]>[[]<>])>})}<{(([{<>{}}<<>()>](([]<>){()[]}))([({}{}]{{}{}}][{()[]}{()()}]
+((((<({[[<(<{(()[])((){})}>(([{}()]<<><>>)[{()[]]{{}}]))[[{(<>()){<><>}}{<<>[]>[[]<>]}][[{
+({<[<((<({<<((<><>)(<>[]))[{[]{}}{[]{}}]>{[[()()]{()()}]{[<>{}]}}><({[[][]][()<>]})>}([[[(
+({<(<<<<<(<[<[<>()](()>>][<<<>()>[{}[]]><(<><>)>]><({<<>{}>}[<<><>>{(){}}])[{{<>{}}<[]<>>}]>)(<{{{()()}
+[<<[{[<{([([{<()()>[{}[]]}<<()[]>{()()}>][<<{}>[[]<>]>{[()[]][[]()]}]){[((()<>)<{}[]>){[[]()][{
+[{[<{<{(({{<(({}[]))[[{}[]]{[][]}]>}}<([{(()[])}<[[]()]>]{<<<>()>[<>[]>>[[[]()][[][]]]})>){<<[<<{}()>(()
+<(({{<{{<[{(<[[]<>]><({}{}){[]{}}>){{[[]{}]({}<>)}<((){})<<><>>>}}{[(([]<>)[{}<>])({<><>})]<(<()<>>{(
+[[{[(<(<<[(<[[<>[]]((){})]{[<><>]<{}[]>}>)<[{{()[]>(<>{})}(({}[]){{}[]})]<<[{}{}]>{[{}{}]}>>][{([<()<>>({}
+[({<({[[<[{<<{{}[]}<(){}>><[[]()][{}{}]>><{([])([])}[({}<>){()()}]>}{[{<{}{}>[<>()]}]({({}[
+{{<[<[(([<{[{{[]{}}[[]{}]}]}>[[(<{[]()}(()())><{(){}}(<>())>)[<([]()){{}<>}>[<[]<>>{{}[]}]]](((({}
+{(<<[(({{[[{([[][]]{{}()})([()<>][{}{}])}]([[{[]<>}({}{}]][<{}[]>]](({{}[]}){<{}[]>((){})}))][<((
+{{{{({{({[{{([{}[]]<(){}>)<<[]()>([]<>)>>{[{{}()}]<[{}]<()()>>}}[[{<[][]>{[]{}}}({()[]}<[]()>)][<[{
+[{{[[({[[[[((<{}[]><{}[]>){[{}{}]{()[]}})({{(){}}([])}<<[]()>[{}{}]>)]}{{{({[]}({}))<((){}){{}<>}>}{{
+[<{([{(<{(((([()<>]<()<>>)[[<>()]([]{})])[(({}()))<<<>()><[]>>])[<{{<>{}}[()()]}(<[][]>{()()}
+({(({{<[{<{((<{}{}>{{}[]})<{{}()}{{}()}>)[[({}()){[]<>}]{<()>[{}<>]}]}><{[[(<>{})<[][]>]<{{}<>}{{
+(({{(({(<[[{[<<>{}>{[]()}][{[]{}]{(){}}]}(((()[]){{}{}})<(()())>)]([<[{}[]]>])][<{{[{}[]]<<><>>}{[[
+((<[[<<<[([<[<<><>>([][])](<[][]>{<><>})>((({}<>)((){})))>[[<[<><>]<{}<>>><({}[])([]{})>]])[{[{({}<>)[()[]
+[<((({{({(({<(()())<{}[]>>(<[]{}>({}{}))}))[<<[({}[])[{}[]]]<{{}{}}{[]}>>>]}[(<({<{}()>[<>()]}[<[]()>((){
+[[([(((<{[[[<[{}()}({}<>)>]]{<{{<><>}({}())}{{<><>}([]{})}>}]}[([{[{[][]}(()<>)]{{<>{}}[<>(
+<<([<{{<{<<(<([]<>)><(<><>){{}{}}>)<(<()<>>([]<>)){(<>{}><<>>}>>{(((()[]){{}[]})[[[][]][{}[]]])({([
+[<[{<[<<(([{({[]{}}([][]))<[()<>]{{}<>}>}]<<[<{}>[<>{}]][([]<>)(<>[])]>[{((){})(()())}<[{}()]{<>()}>]>){([
+[[[{[(({<<{{{((){})({})}{[<>()]([]<>)}}{[<<>{}>[{}[]]][[{}<>][()<>]]}}>{<{{([]{}){{}[]}}<{<>{
+{{{<{[[<[{[<[<<>()>{{}()}][[<>{}][[]<>]]>]<{<{(){}}({}{})><(<>())[{}()]>)<{[()()]}[<()<>>(<>)]>>}
+(([[<{(([<[((<(){}>[{}()]){([]{})[<>{}]})[[[<><>](<>[])]((()()))]][{{<()[]><<>{}>}}]>])<({[[({()<>}[<>{}])]]
+{{({[({[[<(((({}[])(()()))))(<<<{}()>[{}]>>(<[<>[]]{[]()}>{({}<>)([][])}))>]{({{<(<><>)>[{
+<<((({[([[{<<{<>{}}[[][]]><{()()}<{}<>>>>}[[[<<>()>([]())]({<><>}{{}[]})]<{<{}<>>[[]()]}{{(){}
+<[{(([<(<{{[[{{}()}([]<>)](<{}()>{[]{}})]}<[[<()[]>(()())]{([]{})[<>{}]}]<<{[][]}><<<>()>>>>
+<([(([{([([(<[{}[]][[]()]>(<{}[]>[<><>]))<<{{}()}<<>[]>>>])[[<[{<>()}[()()]]<[{}()]((){})>>]{[{(()[])<(
+((<([<[[{[{{[(<><>)<[]()>][(<><>)[<>{}]]}}<(([{}()]{<><>})<([])[()()]>)>]{(({[()[])[[]()]}[(<>)])[<{{}
+{<{<<{{[{<(([{(){}}<<>[]>]<{{}{}}{()[]}>)[<[[]{}><<><>>><[<>()]>])>{(<({{}{}}{<>{}})[<<>[]>]>)((<{
+[<<<(({{{[(<{([][])[{}<>]}<(()[])(()())>>[{{<>{}}({})}[<<>>[<>]]]){([{()()}[()[]]]{[()[]]<<>>
+<{{{<(<<{([[(<{}()>(<>{}))]](({[[][]]}({[]<>}{[]<>}))<([{}{}][[]])[<[]()><{}<>>]>))[<<<<()><[][]>>{(()())<[]
+{{[[{[[{{{[{([<>[]][<>[]>)[({}[]){{}{}}]}[(((){})[()])(({}[])[<>])]]}<[<{<[]{}>({}<>)}{[{}[]]((){}
+{([<([([{(((([()[]][[]<>])[<[]()><()>])({({}{})<[][]>}[([]<>){[]<>}])))<<{[[{}{}]][{(){}}{[]()}
+<<[(([{<((<[({<>{}})[(()){[][]}]]>))>}]<({((([{([][])({}<>)}<<()()>([]())>])){{{{[{}{}]<<>[]>}{(()[])
+[[{<([[{<{((({<>{}}[{}{}])([[]()]{{}[]}))({<[][]><<>{}>})){<(<<><>>({}<>))<([]){<>{}}>>(<<<
+([({<<{<(<((<(<>{})({})><[[][]](()())>)([[{}{}]([]())][<()[]>[{}[]]])){<[<{}{}]{<>()}][([]{}){<><>}]>}>)>{[[(
+{<(([<([(([(({[]<>}[{}<>])[(()<>){()[]}])<<{[][]}>({<>[]}{[]<>})>]{{{<(){}><()()>}({[]{}}{{}[]}))([([]())
+{[<([[{[({[<{{(){}}}{(()[])<()[]>}>]<<<{()[]}><{{}()}([]{})>>{{<<>()><<>[]>>{{<>[]}{<><>}}}>
+(<(<{[{[([[[([<><>])][({[]{}}({}[]))]]])[<[{({{}<>}([]()))(<{}><()()>)}(<<{}<>><<>()>)<<{}
+(<[(({{<[{({{<()[]>}{{<>}<<>[]]}}{[{<><>}[{}<>]]((<>))})([[[<>{}]]<([])>])}{<({<[]<>><<>()>}[({}())[<>
+{[({([(<{[[[<<<>[]>(()<>)>]<(([]{})[[][]])(<[]()><{}<>>)>](({{<><>}<()<>>}{[{}{}]([]<>)})[<{<>}[[]{}]
diff --git a/d10/sample b/d10/sample
new file mode 100644
index 0000000..2f182d8
--- /dev/null
+++ b/d10/sample
@@ -0,0 +1,10 @@
+[({(<(())[]>[[{[]{<()<>>
+[(()[<>])]({[<{<<[]>>(
+{([(<{}[<>[]}>{[]{[(<()>
+(((({<>}<{<{<>}{[]{[]{}
+[[<[([]))<([[{}[[()]]]
+[{[{({}]{}}([{[{{{}}([]
+{<[[]]>}<{[{[{[]{()[[[]
+[<(<(<(<{}))><([]([]()
+<{([([[(<>()){}]>(<<{{
+<{([{{}}[<[[[<>{}]]]>[]]
\ No newline at end of file