#include<stdio.h>
int rek(int n[], int broj){
    int m;
    int s1=0,s2=0;
     for(m=0;m<broj;m++){
         if(broj%2==0)
                s1+=n[m];
           else s2+=n[m];

        if(m%2==0)
      return printf("%d",s1);
              else return printf("%d",s2);
        printf("\n");


     }
}
int main()
{
    int N;
    scanf("%d",&N);
    int i,j,n;
    int s1=0,s2=0;
    int a[100];
    for(i=0;i<n;i++){
        scanf("%d",&n);
        for(j=0;j<n;j++){
            scanf("%d",&a[j]) ;
            printf("%d\n",rek(a,n));

                }
    }


}