1.
#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin>>n;
int a[52];
for(int i=0;i<n*3;i++){
cin>>a[i];
}
int f=1,j=a[0],y=a[1],t=a[2];
for(int i=3;i<n*3;i++){
if(f==1){
j=j+a[i];
}
if(f==2){
y=y+a[i];
}
if(f==3){
t=t+a[i];
}
if(f==3){
f=0;
}
f++;
}
int h;
h=j+y+t;
cout<<j<<" "<<y<<" "<<t<<" "<<h;
return 0;
}
2.
#include <bits/stdc++.h>
#define f(i,j,n) for(register int i=j;i<=n;i++)
using namespace std;
typedef long long ll;
inline ll read(){
ll x=0;
int f=1;
char ch=getchar();
while(!isdigit(ch)) {
if(ch=='-') f=-1;
ch=getchar();
}
while(isdigit(ch)) x=(x<<1)+(x<<3)+ch-48,ch=getchar();
return x*f;
}
int n=read();
ll a=0,b=0,c=0;
signed main(){
f(i,1,n) a+=read(),b+=read(),c+=read();
cout<<a<<' '<<b<<' '<<c<<' '<<a+b+c<<endl;
return 0;
}