#include<iostream> #include<cstdio> #include<cstring> #include<cmath> using namespace std; int main(){ int n,m,s=0,a; cin>>n; for(int i=1;i<=n;i++){ cin>>m; for(int j=1;j<=m;j++){ cin>>a; s+=a; } cout<<s<<endl; s=0; } return 0; }