#include <bits/stdc++.h>
using namespace std;

int main() {
    int N, k;
    cin >> N;

    int A[N];
    for (int i = 0; i < N; i++) {
        cin >> k;
        A[i] = k;
    }

    int ans = 0;
    for (int i = 0; i < N; i++) {
        ans += A[i];
    }

    cout << ans << endl;
}