#include<iostream>

using namespace std;

int mat[100][100], n, m, i, j, inv;

int main ()
{
    cout<<"n= "; cin>>n;

    cout<<"m= "; cin>>m;

    for(i = 0; i < n; i++)
    {
        for(j = 0; j < m; j++)
        {
            cout<<"mat["<<i<<"]["<<j<<"]= "; cin>>mat[i][j];
        }
    }

    for(i = 0; i < n; i++)
    {
        for(j = 0; j < m; j++)
        {
            inv = 0;
            while(mat[i][j] > 0)
            {
                inv = inv * 10 + mat[i][j] % 10;
                mat[i][j] = mat[i][j] / 10;
            }

            mat[i][j] = inv;
        }
    }
    for(i = 0; i < n; i++)
    {
        for(j = 0; j < m; j++)
        {
           cout<<mat[i][j]<<' ';
        }

        cout<<endl;
    }

}