#include <stdio.h>
int main(){
    int a;
    scanf("%d",&a);
    while(a--){
        int m,i=1,b=0,save=0,judge=0;
        double sum=0;
        while(i<=12){
            scanf("%d",&m);
            if(m<=300+b){
                b=300+b-m;
                while(b>=100){
                    b-=100;
                    save+=100;
                }
            }
            else {printf("-%d\n",i);judge=1;}
            i++;
        }
        sum=save*1.2;
        if(judge==0)printf("%.0f\n",sum+b);
    }
}