import sys

W = 1000
H = 200

L = [[0 for _ in range(W)] for _ in range(H)]

def prPGM():
    print("P2")
    print("367 184")
    print("2")
    t = "201"
    print("\n".join(" ".join(t[i] for i in l[317:684]) for l in L))

def pr():
    if len(sys.argv)>1 and sys.argv[1] == "G":
        prPGM()
    else:
        t = ".#o+"
        print("\n".join("".join(t[i] for i in l[450:550]) for l in L))

def s2li(s,sep=','):
    return list(map(int,s.split(sep)))

MAX_Y = 0
for l in sys.stdin.read().splitlines():
    lp = l.split(" -> ")
    for f,t in zip(lp,lp[1:]):
        (a,b,c,d)= (*s2li(f),*s2li(t))
        x0 = min(a,c)
        y0 = min(b,d)
        x1 = max(a,c)
        y1 = max(b,d)
        MAX_Y = max(MAX_Y, y1)
        for x in range(x0,x1+1):
            for y in range(y0,y1+1):
                L[y][x] = 1

for x in range(W):
    L[MAX_Y+2][x] = 1
L = L[:MAX_Y+3]

stop = False
N = 0
while not stop:
    N += 1
    y = 0
    x = 500
    more = True  # can all left or right 
    while more and not stop:
        more = False
        while L[y][x]==0 : #and not stop:  # if only air
            #print(N, x,y)
            y+=1
            stop = y == MAX_Y+2
        #print(N, x,y)
        if L[y][x-1]==0: # can fall left
           x -= 1
           more = True
        elif L[y][x+1]==0: # can fall right
            x += 1
            more = True
        else:
            stop = y == 1 # can't put more sand
    L[y-1][x] = 2 # mark sand

pr()

print(N)