没酷酷酷酷酷酷酷酷酷酷酷酷酷酷酷酷酷酷本来。据

#include<bits/stdc++.h> using namespace std; int main(){

int jz=0,yz=0,tz=0,sum=0; int j,y,t,a; cin>>a;

for(int i=1;i<=a;i++){ cin >> j>>y>>t; jz+=j; yz+=y; tz+=t; }

sum=jz+yz+tz;

cout<<jz<<" "<<yz<<" "<<tz<<" "<<？;

return 0;

}