太简单了！

#include<iostream>
using namespace std;
int main(){
	long long n,a,b,c,A=0,B=0,C=0,s;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a>>b>>c;
		A+=a;
		B+=b;
		C+=c;
	}
	s=A+B+C;
	cout<<A<<" "<<B<<" "<<C<<" "<<s<<" "; 
}