#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<=i;j++){
				cout<<j;
			}cout<<endl;
		}
	}
/**************************************************************
	Problem: 1784
	User: zhuangwenya
	Language: C
	Result: Compile Error
****************************************************************/