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