#include<bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n >> m; int a[n][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { cin >> a[i][j]; } } for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { if (i == j || i + j == n - 1) { a[i][j] = m + a[i][j]; } printf("%5d", a[i][j]); } cout << endl; } return 0; }