#include<bits/stdc++.h>
using namespace std;
int main()
{
int arr[2][2];
for(int i = 0; i < 2; i++){
for(int j = 0; j < 2; j++){
cin >> arr[i][j];
}
}
for(int i = 0; i < 2; i++){
for(int j = 0; j < 2; j++){
cout << arr[i][j] << " ";
}
cout << endl;
}
return 0;
}
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