#include<iostream>

 #include<cstdio>

 #include<cstdlib>

 using namespace std;

 int n;

 double a[][],b[],c[];

 //a为方程组，b为常数项，c为解 

 void gauss(){            //高斯消元

     for(int i=;i<=n;i++){

         for(int j=i+;j<=n;j++){

             double s=a[i][n-i+]/a[j][n-i+];

             for(int k=;k<=n;k++)a[j][k]*=s;

             for(int k=;k<=n;k++)a[j][k]-=a[i][k];

             b[j]=b[j]*s-b[i];

         }

     }

     if(-1e-<=a[n][]&&a[n][]<=1e-)//double 会有精度误差

         printf("No Solution"),exit();//系数为0，没有唯一解

     c[]=b[n]/a[n][];

     for(int i=n-;i>=;i--){

         for(int j=;j<=n-i;j++)

             b[i]-=a[i][j]*c[j];

         if(-1e-<=a[i][n-i+]&&a[i][n-i+]<=1e-)

             printf("No Solution"),exit();    //同上

         c[n-i+]=b[i]/a[i][n-i+];

     }

 }

 int main(){

     scanf("%d",&n);

     for(int i=;i<=n;i++){

         for(int j=;j<=n;j++)

             scanf("%lf",a[i]+j);

         scanf("%lf",b+i);

     }

     gauss();

     for(int i=;i<=n;i++)printf("%.2f\n",c[i]);

 }