#include<bits/stdc++.h> using namespace std; int a[85][11],n,s[10],c; int main(){ cin>>n; for(int i=1;i<=n;i++){ for(int j=1;j<=7;j++){ cin>>a[i][j]; if(j>1) a[i][8]+=a[i][j]; s[j]+=a[i][j]; } } for(int i=1;i<=n;i++){ for(int j=1;j<=8;j++){ cout<<a[i][j]<<" "; } cout<<endl; } for(int j=2;j<=7;j++) cout<<fixed<<setprecision(1)<<1.0*s[j]/n<<" "; return 0; }