#include<bits/stdc++.h>
using namespace std;
 
struct nv
{
	int ma, gio, luong;
};
 
int main()
{
	int n,tong_luong=0,tong_gio=0;
	nv A[1005];
	scanf("%d",&n);
	for(int i=1;i<=n;i++)
		scanf("%d%d%d",&A[i].ma,&A[i].gio,&A[i].luong);
	for(int i=1;i<=n;i++){
		if(A[i].gio<=0 || A[i].gio>480 || A[i].luong<=0){
			printf("So lieu sai");
			return 0;
		}
	}
	for(int i=1;i<=n;i++){
			printf("%d %d\n",A[i].ma,A[i].gio*A[i].luong);
			tong_luong+=A[i].gio*A[i].luong;
			tong_gio+=A[i].gio;
	}
	printf("%d %d %d",tong_luong/tong_gio,tong_luong/n,tong_luong);
}

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