#include <iostream>
using namespace std;
int nwd(int a,int b)
{
return b == 0 ? a : nwd(b, a % b);
}
int main() {
int n;
cin>>n;
int * tab = new int [n];
for (int i=0; i<n; i++){
cin >> tab[i];
cout << tab[i];
}
int **tab2 = new int * [n];
for (int i=0; i < n; i++){
tab2[i] = new int[n];
}
tab2[1][2]=4;
return 0;
}
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