#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m,max=0,i,j,min=10000,i2,j2,i1,j1;
	cin>>n>>m;
	int a[n][m],b[n];
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			cin>>a[i][j];
			if(a[i][j]>max){
				max=a[i][j];
			}
			if(a[i][j]<min){
				min=a[i][j];
			}
		}
	}
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			if(a[i][j]==max){
				i1=i;
				j1=j;
			}
			if(a[i][j]==min){
				i2=i;
				j2=j;
			}
		}
	}
	swap(a[i1][j1],a[i2][j2]);
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			cout<<a[i][j]<<" ";
		}
		cout<<endl;
	}
	return 0;
}
/**************************************************************
	Problem: 1999
	User: zouliangyin
	Language: C++
	Result: Accepted
	Time:15 ms
	Memory:2072 kb
****************************************************************/