#include using namespace std; using ll = long long; #define rep(i,m,n) for(int i=m; i bool chmin(T& a, T b){ if(a > b){a = b; return true;} return false; } template bool chmax(T& a, T b){ if(a < b){a = b; return true;} return false; } template T gcd(T a, T b){ return a % b ? gcd(b, a % b) : b; } template T lcm(T a, T b){ return a / gcd(a, b) * b; } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); vector square; for(int i = 1; i <= 31; ++i) square.push_back(i*i); int T; cin >> T; while(T--){ int N; cin >> N; cout << (binary_search(all(square), N) ? 'P' : 'K') << endl; } return 0; }