#include <bits/stdc++.h>   using namespace std;   const int INF = INT_MAX;   const long long LINF = LLONG_MAX;   const unsigned long long ULINF = ULLONG_MAX;   const double EPS = 0.000001;   char v[150][150], v_new[150][150];   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     int w, h;     cin >> w >> h;     for (int i = 0; i < h; i++)       for (int j = 0; j < w; j++) cin >> v[i][j];     for (int i = 0; i < h; i++)       for (int j = 0; j < w; j++) v_new[j][i] = v[i][j];     for (int i = 0; i < w; i++) {       for (int j = 0; j < h; j++) {         cout << v_new[i][j];         cout << v_new[i][j];       }       cout <<   n ;       for (int j = 0; j < h; j++) {         cout << v_new[i][j];         cout << v_new[i][j];       }       cout <<   n ;     }     return 0;   }   