1 #include <stdio.h>
 2 int main()
 3 {
 4     int i,n,a,sum=0;
 5     while(scanf("%d",&n)!=EOF){
 6         for(i=0;i<n;i++){
 7             scanf("%d",&a);
 8             sum+=a;            
 9         }
10         printf("%d\n",sum);
11         sum=0;
12     } 
13     return 0;
14 }