#!/usr/bin/env python
#coding:utf8

def read():
    return map(int, raw_input().split())


def isKadomatsu(A1, A2, A3):
    return len(set([A1, A2, A3])) == 3 and (A2 > max(A1, A3) or A2 < min(A1, A3))


def work((A1, A2, A3)):
    
    if isKadomatsu(A1, A2, A3):
        print "INF"
        return

    cnt = 0
    for i in range(1, max(A1, A2, A3) + 1):
        cnt += isKadomatsu(A1 % i, A2 % i, A3 % i)

    print cnt


if __name__ == "__main__":
    work(read())