#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string>
#include <vector>


using namespace std;

int main()
{
	int j1, i1;
	int n, m;

	scanf("%d%d", &n, &m);
	vector < vector <int> > arr(n, vector <int>(m));

	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
		{
			int el = 0;
			scanf("%d", &el);
			arr[i].push_back(el);

		}
	}
	for (int i; i < arr.size(); i++) {
		string t(arr.begin(), arr.end());
		printf("%s", t);
	}




}