#include <iostream>

using namespace std;

int N, summa;

int main()

{

int massiv[10];

cin >> N;

for (int i= 0; i< 10 ; i++)

{

cin >> a[i] ;

if (a[i] % N == 0)

summa = summa + a[i];

}

cout << summa;

return 0;

}