#include<iostream>
using namespace std;
int main(){
int i, j, n, m;
char a[1000] , b[1000];
cin >> n;
for(i = 1; i <= n; i++){
cout << endl << "a[ " << i << " ]=";
cin >> a[i];
}
cin >> m;
for(j = 1; j <= m; j++){
cout << endl << "b[ " << j << " ]=";
cin >> b[j];
}
for(i = 1; i <= n; i++){
for (j = 1; j <= m; j++)
cout << a[i] << " " << b[j] << endl;
}
return 0;
}