#include<bits/stdc++.h>
using namespace std;
int main(){
	int i,j,n,m,d,x,xw1=0,xw2=0,dw1=0,dw2=0;
	cin>>n>>m;
	int a[n][m];
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			cin>>a[i][j];
		}
	}
	d=a[0][0];
	x=a[0][0];
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			if(a[i][j]<x){
				x=a[i][j];
				xw1=i;
				xw2=j;
			}
			if(a[i][j]>d){
				d=a[i][j];
				dw1=i;
				dw2=j;
			}
		}
	}
	swap(a[dw1][dw2],a[xw1][xw2]);
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			cout<<a[i][j]<<" ";
		}
		cout<<endl;
	}
	
	
	
	
}
/**************************************************************
	Problem: 1999
	User: wuzhijing
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/