#include "stdio.h"

int main(void){
    int n = 0;
    int i = 0;
    int num[10] = {0};
    int numb =0;
    scanf("%d",&n);
    for(i=0;i<n;i++){
        scanf("%d",&num[i]);
        numb += num[i];
    }
    printf("%d\n",numb);
    return 0;
}