#include <stdio.h>
#include <stdlib.h>

int main() {
    int n;
    scanf("%d", &n);

    int* a = malloc(sizeof(int) * n);
    if (!a) return 1;

    for (int i = 0; i < n; i++) scanf("%d", &a[i]);

    int sum = 0;
    for (int i = 0; i < n; i++) sum += a[i];

    printf("%d\n", sum);

    free(a);
    return 0;
}