a = list(map(int, input().split()))

if a[0] == a[1] or a[1] == a[2] or a[2] == a[0]:
    print(0)
elif max(a) == a[1] or min(a) == a[1]:
    print("INF")
else:
    count = 0
    for i in range(2, max(a) + 1):
        b = [j % i for j in a]
        if b[0] != b[1] and b[1] != b[2] and b[2] != b[0] and (max(b) == b[1] or min(b) == b[1]):
            count += 1

    print(count)