# include <bits/stdc++.h>

using namespace std;
int n,m,a[105][105],x,y;
int main(){
	cin>>n>>m;
	for(int i = 1;i<=n;i++)
		for(int j = 1;j<=m;j++)
			cin>>a[i][j];
	cin>>x>>y;
	for(int i = 1;i<=n;i++){
		for(int j = 1;j<=m;j++)
			if(j==x)
				cout<<a[i][y]<<" ";
			else if(j==y)
				cout<<a[i][x]<<" ";
			else
				cout<<a[i][j]<<" ";
		cout<<endl;
	}
	return 0;
}