#include<cstdio>/*
2
4 1 2 3 4
5 1 2 3 4 5
*/int main(){int n,a;scanf("%d",&n);while(n--){int sum = 0,m;scanf("%d",&m);for(int i = 0;i<m;i++){scanf("%d",&a);sum +=a;}printf("%d\n",sum); }return 0;}
#include<cstdio>/*
2
4 1 2 3 4
5 1 2 3 4 5
*/int main(){int n,a;scanf("%d",&n);while(n--){int sum = 0,m;scanf("%d",&m);for(int i = 0;i<m;i++){scanf("%d",&a);sum +=a;}printf("%d\n",sum); }return 0;}