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

	return 0;
}
/**************************************************************
	Problem: 1784
	User: dengyuanyan
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/