from collections import Counter

import sys


def input(): return sys.stdin.readline().rstrip('\n')


def ok(a1, a2, a3):
    return a1 != a2 != a3 != a1 and (a1 < a2 > a3 or a1 > a2 < a3)


def main():
    a1, a2, a3 = map(int, input().split())
    if ok(a1, a2, a3):
        print('INF')
    else:
        ans = 0
        for p in range(1, 1010):
            if ok(a1 % p, a2 % p, a3 % p):
                ans += 1
        print(ans)


if __name__ == '__main__':
    main()