# No.358 も～っと！門松
a = [int(i) for i in input().split()]

if a[0] == a[2] or a[0] == a[1] or a[1] == a[2]:
    print(0)
elif min(a) == a[1] or max(a) == a[1]:
    print('INF')
else:
    cnt = 0

    for i in range(1, max(a) + 1):
        b = [a[j] % i for j in range(3)]

        if (b[0] != b[1] and b[1] != b[2] and b[2] != b[0]) and (b[1] == min(b) or b[1] == max(b)):
            cnt += 1

    print(cnt)