//points mindcoding
#include<fstream>
using namespace std;
int main()
{
    ifstream f("input");
    ofstream g("output");
    int n,points=0;
    f>>n;
    for(int i=0;i<n;i++)
    {
        int aux;
        f>>aux;
        points+=aux;
    }
    g<<points;
}