diff --git a/d10/part1.py b/d10/part1.py
new file mode 100644
index 0000000..ff9935e
--- /dev/null
+++ b/d10/part1.py
@@ -0,0 +1,23 @@
+import sys
+
+X = 1
+C = 0
+S = []
+I = {20, 60, 100, 140, 180, 220}
+
+def inc():
+  global C
+  C += 1
+  if C in I:
+    S.append(C*X)
+  
+for l in sys.stdin.read().splitlines():
+  m, q = (l+" _").split(" ")[:2]
+  if m == "noop":
+    inc()
+  else: # add
+    inc()
+    inc()
+    X += int(q)
+
+print(sum(S))
diff --git a/d10/part2.py b/d10/part2.py
new file mode 100644
index 0000000..fe6f499
--- /dev/null
+++ b/d10/part2.py
@@ -0,0 +1,23 @@
+import sys
+
+X = 1
+C = 0
+LCD = [["."]*40 for _ in range(6)]
+
+def inc():
+  global C
+  (r,c) = divmod(C, 40)
+  C+=1
+  if c in [X, X-1, X+1]:
+    LCD[r][c]="#"
+  
+for l in sys.stdin.read().splitlines():
+  m, q = (l+" _").split(" ")[:2]
+  if m == "noop":
+    inc()
+  else: # add
+    inc()
+    inc()
+    X += int(q)
+
+print("\n".join("".join(r) for r in LCD))