#include <iostream>

using namespace std;

int main()
{
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    int T, N, i, l, r, c, count;
    cin >> T;
    for (i = 0; i != T; ++i)
    {
        cin >> N;
        for (l = 1, r = 32; l + 1 < r; )
        {
            c = (l + r) / 2;
            if (c * c <= N) l = c;
            else r = c;
        }

        if (l * l == N) cout << "P\n";
        else cout << "K\n";
    }

    return 0;
}