#include<bits/stdc++.h>
using namespace std;
int n,i,j; 
int main(){
	cin>>n;
	for(i=1;i<=n;i++){
		for(j=1;j<=i;j++){
			cout<<j;
		}
		cout<<endl;
	}
	return 0;
}

/**************************************************************
	Problem: 1784
	User: zhangziang
	Language: C
	Result: Compile Error
****************************************************************/