a, b, c = map(int, input().split())
cnt = 0
A = [a, b, c]
if len(set(A)) == 3 and b in [min(A), max(A)]:
    print("INF")
else:
    cnt = 0
    for i in range(1, max(A) + 1):
        A = [a % i, b % i, c % i]
        if len(set(A)) == 3 and b % i in [min(A), max(A)]:
            cnt += 1
    print(cnt)