#include<bits/stdc++.h>
#define int long long
#define For(i,l,r) for(int i=l;i<=r;++i)
#define FOR(i,r,l) for(int i=r;i>=l;--i)
using namespace std;
const int N = 1e3 + 10;
int n;
double a[N][N];
signed main() {
ios::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
cin >> n;
For(i,1,n) {
For(j,1,n+1) {
cin >> a[i][j];
}
}
for (int i = 1, k = 1; i <= n - 1; ++i, ++k) {
For(j,i+1,n) if(a[i][k] < a[j][k]) swap(a[i], a[j]);
For(j,i+1,n) {
double w = 0;
if(a[i][k] != 0) w = 1.0 * a[j][k] / a[i][k];
For(l,k,n+1) {
a[j][l] -= w * a[i][l];
}
}
}
for (int i = n, k = n; i >= 2; --i, --k) {
FOR(j,i-1,1) {
double w = 0;
if(a[i][k] != 0) w = a[j][k] / a[i][k];
For(l,k,n+1) {
a[j][l] -= w * a[i][l];
}
}
}
For(i,1,n) {
For(j,1,n+1) {
cerr << a[i][j] << ' ';
}
cerr << '\n';
}
For(i,1,n) {
int cnt0 = 0;
For(j,1,n) {
cnt0 += (a[i][j] == 0);
}
if(cnt0 == n) return puts("No Solution"), 0;
}
For(k,1,n) {
printf("%.2lf\n", a[k][n+1] / a[k][k]);
}
return 0;
}