#include<iostream>
using namespace std;
int main()
{
	int i,j,n;
	cin>>n;
	for(i=1;i<=n;i++){
		for(j=1;j<=i;j++){
			cout<<j;
		}
		cout<<endl;
	}
	return 0;
} 
/**************************************************************
	Problem: 1784
	User: linweilun
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2072 kb
****************************************************************/