# import sys; input = sys.stdin.buffer.readline
# sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

def getlist():
	return list(map(int, input().split()))

def judge(A1, A2, A3):
	if (A1 < A2 > A3 and A1 != A3) or (A1 > A2 < A3 and A1 != A3):
		return 1
	else:
		return 0

#処理内容
def main():
	A1, A2, A3 = getlist()
	if judge(A1, A2, A3) == 1:
		print("INF")
		return

	ans = 0
	for i in range(1, 1001):
		B1, B2, B3 = A1 % i, A2 % i, A3 % i
		# if judge(B1, B2, B3) == 1:
		# 	print(B1, B2, B3, i)
		ans += judge(B1, B2, B3)

	print(ans)



if __name__ == '__main__':
	main()