a1, a2, a3 = map(int, input().split())
if len({a1, a2, a3}) == 3 and ((a1 < a2 > a3) or (a1 > a2 < a3)):
    print('INF')
else:
    n = max(a1, a2, a3)
    c = 0
    for p in range(1, n+1):
        b1, b2, b3 = a1%p, a2%p, a3%p
        if len({b1, b2, b3}) == 3 and ((b1 < b2 > b3) or (b1 > b2 < b3)):
            c += 1
    print(c)