#include <bits/stdc++.h>

#define pb(x) push_back((x))
#define MS(x,y) memset((x), (y), sizeof(x))
#define ll long long

using namespace std;

int main()
{
    #if LOCAL_DEBUG
        fstream cin("in.txt");
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int dolz;

    cin>>dolz;

    int ctr = 0;

    for (int i = dolz/6; i>=1; i--) {
        for (int j = 0; j<i; j++) cout<<" ";

        for (int j = 0; j<dolz/6+ctr*2; j++) cout<<"*";

        for (int j = 0; j<i*2; j++) cout<<" ";

        for (int j = 0; j<dolz/6+ctr*2; j++) cout<<"*";

        cout<<endl;

        ctr++;
    }

    ctr = 0;

    for (int i = dolz-(dolz%6); i>=1; i-=2) {
        for (int j = 0; j<ctr; j++) cout<<" ";

        for (int j = 0; j<i; j++) cout<<"*";

        for (int j = 0; j<ctr; j++) cout<<" ";

        cout<<endl;

        ctr++;
    }

    return 0;
}