def iskadomatsu(a, b, c):
    if a == b or b == c or c == a:
        return False
    if a < b and b > c:
        return True
    if a > b and b < c:
        return True
    return False

a = list(map(int, input().split()))
if iskadomatsu(*a):
    print('INF')
else:
    ans = 0
    for p in range(1, 1001):
        if iskadomatsu(a[0] % p, a[1] % p, a[2] % p):
            ans += 1
    print(ans)