Hdu1094

 #include <stdio.h>
 int main()
 {
     int i,n,a,sum=;
     while(scanf("%d",&n)!=EOF){
         for(i=;i<n;i++){
             scanf("%d",&a);
             sum+=a;
         }
         printf("%d\n",sum);
         sum=;
     }
     return ;
 }