def div(x):
    res = 0
    for i in range(2,int(x**0.5) + 1):
        while x % i == 0:
            x //= i
            res += 1
    if x > 1:
        res += 1
    return res
t = int(input())
for _ in range(t):
    x = div(int(input()))
    if x & 1:
        print('kou')
    else:
        print('yukari')