#include <iostream>
using namespace std;
int main(){
    int j,n=5,k;
    for(int i=1;i<2*n;i+=2){
        for(int j=0;j<(2*n-1-i)/2;j++){
            cout<<" ";
        }
        for(int j=1;j<=i;j++){
            cout<<"*";
        }
        cout<<endl;
    }

}