#include<iostream> #include<cstdio> #include<cstring> #include<cmath> using namespace std; int main(){ int a[3][4]={},n,z=0; for(int i=0;i<=2;i++){ for(int j=0;j<=3;j++){ cin>>a[i][j]; z=a[i][j]+z; } } cin>>n; printf("%.2lf\n",z/12.0); for(int j=0;j<=3;j++){ cout<<a[n][j]<<" "; } return 0; }