#include <bits/stdc++.h>
using namespace std;
int a[40][40], m, n;

int main()
{
    cin >> m >> n;
    for(int i = 1; i <= m; i++)
        for(int j = 1; j <= n; j++)
            cin >> a[i][j];

    for(int i = 1; i <= m - 2; i++)
        a[i][n - 1] = a[i][n];
    for(int i = 1; i <= n - 2; i++)
        a[m - 1][i] = a[m][i];
    a[m - 1][n - 1] = a[m][n];
    m--;
    n--;
    for(int i = 1; i <= m; i++){
        for(int j = 1; j <= n; j++) cout << a[i][j] << " ";
        cout << "\n";
    }
    return 0;
}