def pow_mixed(n):
    t = 0
    for i in range(n):
        t += (i & 7) ** 2 + (i & 3) ** 3
    return t

def pow2(n):
    t = 0
    for i in range(n):
        t += (i & 1023) ** 2
    return t

def pow3(n):
    t = 0
    for i in range(n):
        t += (i & 63) ** 3
    return t

def poly(n):
    t = 0
    for i in range(n):
        a = i & 255
        t += 3 * a ** 2 + 5 * a + 7
    return t

def miss(n):
    t = 0
    for i in range(n):
        t += (i & 7) ** 4
    return t