#include <bits/stdc++.h>   using namespace std;   const long INF = 1000 * 1000 * 1000;   const long long int mod = 1000000007;   int dp[100050];   int main() {     std::ios::sync_with_stdio(false);     int t;     cin >> t;     while (t--) {       long double d;       cin >> d;       long double a, b, x, y;       x = d * d - 4 * d;       if (x < 0) {         cout <<  N  <<   n ;         continue;       }       x = sqrt(x);       if (d - x < 0) {         cout <<  N  <<   n ;         continue;       }       a = (d + x) / 2.0;       b = (d - x) / 2.0;       cout <<  Y             <<    ;       cout << setprecision(12) << fixed << a <<    ;       cout << setprecision(12) << fixed << b <<    ;       cout <<   n ;     }   }   