a = [int(i) for i in input().split()]
if len(set(a)) != 3:
    print(0)
elif max(a) == a[1] or min(a) == a[1]:
    print("INF")
else:
    c = 0
    for i in range(2, max(a) + 1):
        b = [j % i for j in a]
        if len(set(b)) == 3 and (max(b) == b[1] or min(b) == b[1]):
            c += 1
    print(c)