#include <bits/stdc++.h>
using namespace std;

int a[210][210];

int main() {
	int n,m,x1,y1,x2,y2,ma = INT_MIN,mi = INT_MAX;
	cin>>n>>m;
	for(int i = 1;i <= n;i++){
		for(int j = 1;j <= m;j++){
			cin>>a[i][j];
			if(a[i][j] > ma){
				ma = a[i][j];
				x1 = i;
				y1 = j;
			}
			
			if(a[i][j] < mi){
				mi = a[i][j];
				x2 = i;
				y2 = j;
			}
		}
	}
	
	swap(a[x1][y1],a[x2][y2]);
	
	for(int i = 1;i <= n;i++){
		for(int j = 1;j <= m;j++){
			cout<<a[i][j]<<" "; 
		}
		cout<<endl;
	}
	
	return 0;
}


/**************************************************************
	Problem: 1999
	User: admin
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2244 kb
****************************************************************/