#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,j;
	cin>>n;
	for(i=1;i<=n;i++) {
		for(j=1;j<=n-i;j++) cout<<" "; 
		for(j=1;j<=2*i-1;j++) cout<<ja;
		cout<<endl;
	}
}
	

	

/**************************************************************
	Problem: 1072
	User: fandaohan
	Language: C++
	Result: Compile Error
****************************************************************/