#include <iostream>

using namespace std;

int dx[8] = {-1,1,2,2,1,-1,-2,-2};
int dy[8] = {-2,-2,-1,1,2,2,1,-1};

int board[6][6];

int n,m;

void tipar(){

    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
            cout << board[i][j];
        }
    }

}

void bkt(int pas, int r, int c){

    if(pas == n * m){
        tipar();
    }else{



    }

}



int main()
{
    int x, y;
    cin >> n >> m >> x >> y;



    return 0;
}