#include <iostream>
using namespace std;

int main()
{
	int k, p, s1, s2, minimum = INT_MAX, maximum = INT_MIN;
	int a[100][100];
	int min;
	int max;
	cin >> k >> p;
	if (k <= 0 || p <= 0)
	{
		cout << "Empty matrix or range check error" << endl;
		return 0;
	}
	for (int i = 0; i < k; i++)
	{
		for (int j = 0; j < p; j++)
		{
			cin >> a[i][j];
			if (a[i][j] > maximum)
			{
				max = a[i][j];
				maximum = a[i][j];
				s1 = i;
			}

			if (a[i][j] < minimum)
			{
				min = a[i][j];
				minimum = a[i][j];
				s2 = i;
			}
		}
	}
	if (s1 == s2)
	{
		for (int i = 0; i < k; i++)
		{
			for (int j = 0; j < p; j++)
			{
				cout << a[i][j] << " ";
			}
			cout << endl;
		}
		return 0;
	}

		for (int j = 0; j < p; j++)
			swap(a[s1][j], a[s2][j]);

		for (int i = 0; i < k; i++)
		{
			for (int j = 0; j < p; j++)
			{
				cout << a[i][j] << " ";
			}
			cout << endl;
		}

}