#include<stdio.h>
int main()
{
	int a[100][100];
	int n,m,i,j,min=200,max=0;
	scanf("%d %d",&n,&m);
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			scanf("%d",&a[i][j]);
			if(a[i][j]<min) min=a[i][j];
			if(a[i][j]>max) max=a[i][j];
		}	
	}
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			if(a[i][j]==min) printf("%d ",max);
			else if(a[i][j]==max) printf("%d ",min);
			else printf("%d ",a[i][j]);
		}	
		printf("\n");
	}
	return 0;
 } 
/**************************************************************
	Problem: 1999
	User: admin
	Language: C
	Result: Accepted
	Time:9 ms
	Memory:1144 kb
****************************************************************/