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

/**************************************************************
	Problem: 1783
	User: lvrenxiang
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/