#include<bits/stdc++.h>
using namespace std;
int main(){
    int i,j,n;
    cin>>n;
    for(i=n/2+1;i>=1;i--){
        for(j=1;j<=i;j++){
            cout<<"*";
        }
        cout<<endl;
    }
    for(i=2;i<=n/2+1;i++){
        for(j=1;j<=i;j++){
            cout<<"*";
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1230
	User: chenjiahui
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/