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