a, b, c = map(int, input().split())

def kadomatsu(a, b, c):
    if a == b or b == c or c == a:
        return False
    else:
        M = max(a, b, c)
        m = min(a, b, c)
        return b == M or b == m

if kadomatsu(a, b, c):
    exit(print('INF'))

ans = 0
for p in range(1, 1000 + 1):
    a2, b2, c2 = a%p, b%p, c%p
    if kadomatsu(a2, b2, c2):
        ans += 1
print(ans)