#include <stdio.h>
/* Problem #5
 * 
 *  Like problem 1 but output only sum of entered numbers.
 *
 * CSC 100 Intro to Comp Sci and Prog
 * Due: Nov. 24, 2003
 * Gilbert St. Firmin
*/

int main(){

    int w, x, y, z;
    int a[100];
    
    scanf("%d",&x);
    for(w=0; w<x; w++){
        scanf("%d",&y);
        a[w]=y;
    }
    printf("\n\n");
    z=0;
    for(w=0; w<x; w++){
        z=a[w]+z;
    }
    printf("\n\n%d ",z);
    printf("\n\n");
    
    return 0;
}