#include <iostream>
using namespace std;
int main() {
// your code goes here
int n;
cin>>n;
for(int i=0;i<=n;i++)
{
for(int j=0;j<n-i;j++)
{
cout<<" "; // space
}
for(int j=0;j<2*i-1;j++)
{
cout<<" * "; // space
}
cout<<endl;
}
return 0;
}
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