# -*- coding: utf-8 -*-
"""
No.358 も～っと！門松列
https://yukicoder.me/problems/no/358

"""
import sys
from sys import stdin
input = stdin.readline


def is_kadomatsu(A):
    if A[0] == A[1] or A[1] == A[2] or A[0] == A[2]:
        return False
    if max(A) != A[1] and min(A) != A[1]:
        return False
    return True


def main(args):
    ans = 0
    A = [int(x) for x in input().split()]
    if is_kadomatsu(A):
        print('INF')
    else:
        for p in range(1, max(A)+1):
            B = A[:]
            B[0] %= p
            B[1] %= p
            B[2] %= p
            if is_kadomatsu(B):
                ans += 1
        print(ans)


if __name__ == '__main__':
    main(sys.argv[1:])