import sys
from aoc import nums

MOVES = sorted([(i,j)
    for i in range(1,101)
        for j in range(1,101)
], key=lambda x:3*x[0]+x[1])

S = 0
for i in sys.stdin.read().strip().split('\n\n'):
    [a,b,p] = i.split("\n")
    (xa, ya) = nums(a)
    (xb, yb) = nums(b)
    (xp, yp) = nums(p)
    for (i,j) in MOVES:
        if xa*i+xb*j==xp and ya*i+yb*j==yp:
            S += 3*i+j
            break
print(S)