#include <iostream>
#include<bits/stdc++.h>
using namespace std;
int main() {
// your code goes here
int n,m;
cin>>n>>m;
vector<int>arr1(n);
vector<int>arr2(m);
for(int i =0;i<n;i++){
cin>>arr1[i];
}
for(int i =0;i<m;i++){
cin>>arr2[i];
}
for(int i =0;i<n;i++){
for(int j =0;j<m;j++){
cout<<"("<<arr1[i]<<","<<arr2[j]<<")";
}
cout<<endl;
}
return 0;
}
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
(1,4)(1,5)(1,6)(1,7)
(2,4)(2,5)(2,6)(2,7)
(3,4)(3,5)(3,6)(3,7)