#include <iostream>
using namespace std;

int main()
{
  int n, a;
  bool b2, b5;
  cin >> n;
  b2=1; b5=1;
  for(int i=0; i<n; ++i)
  {
    cin >> a;
    b2*=(0==a%2);
    b5*=(0==a%5);
  }
  cout << 100/((b2)?2:1)*((b5)?5:1) << endl;
  return 0;
}