#include<bits/stdc++.h>
using namespace std;
int n,v[1000];
void f(int x,string s){
	if(x==0){ 
		printf("%s",s.c_str());
		printf("\n");
		return;
	}
	for(int i=1;i<=n;i++){
		f(x-1,s+char(i+'0'));
		}
	}
int main(){
	scanf("%d",&n);
	f(n,"");
	return 0;
}

/**************************************************************
	Problem: 1654
	User: linzihang
	Language: C++
	Result: Accepted
	Time:34 ms
	Memory:2080 kb
****************************************************************/