#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: huanglingkai
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/