{int n,cnt;
scanf("%d",&n);
for(cnt=1; cnt<=n; ++cnt){
int no,en,mt,sc;
double av;
scanf("%d",&no);
scanf("%d",&en);
scanf("%d",&mt);
scanf("%d",&sc);
av=(en+mt+sc)/3.0;
printf("%d,%d,%d,%d,%f\n",no,en,mt,sc,av);
}
}