#include<bits/stdc++.h> using namespace std; int main(){ int n,z; cin>>n; z=n; for(int i=1;i<=n;i++){ for(int j=1;j<i;j++){ cout<<" "; } for(int j=1;j<=2*z-1;j++){ cout<<"*"; } z--; cout<<endl; } z+=2; for(int i=n;i>1;i--){ for(int j=2;j<i;j++){ cout<<" "; } for(int j=1;j<=2*z-1;j++){ cout<<"*"; } z++; cout<<endl; } return 0; }