#include<iostream>
using namespace std;
int main(){
    int n;
    cin>>n;
    if(n<0){
        cout<<"Invalid input";
        return 0;
    }
    for(int i=1;i<=n;i++){
        for(int s=0;s<=n-i;s++)cout<<"";
        for(int j=0;j<=2*i-1;j++)cout<<"*";
        cout<<"\n";
       if(i!=n)count<<"\n";
    }
}