#include<bits/stdc++.h>
using namespace std;
int main(){
  int i,j,n,m,x,s,b,c;
  int max=0,min=30;
  int a[10][10];
  cin>>n>>m;
  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];
    x=i;
    s=j;
	  } 
    if(a[i][j]<min){
    min=a[i][j];
    b=i;
    c=j;
	  } 
  	}
  } 
  swap(a[x][s],a[b][c]);
  for(i=0;i<n;i++){
  	for(j=0;j<m;j++){
  	cout<<a[i][j];
  	cout<<" ";
	  }
	  cout<<endl; 
  }
  return 0;
}

/**************************************************************
	Problem: 1999
	User: wtq001
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/