def judge(A):
    if A[0] <= A[1] <= A[2]: pass
    elif A[0] >= A[1] >= A[2]: pass
    elif A[0] == A[2]: pass
    else: return True
    return False


A = list(map(int, input().split()))
ans = 0
for p in range(1, max(A) + 2):
    B = []
    for i in range(3):
        B.append(A[i] % p)
    if judge(B): ans += 1

if judge(A): ans = "INF"
print(ans)