#include<bits/stdc++.h>
using namespace std;
int n;
void f(int x,string s){
	 if(x==0){
	 	printf("%s",s.c_str());
	 	printf("\n");
//	 	cout<<s<<endl;
	 	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: admin
	Language: C++
	Result: Accepted
	Time:40 ms
	Memory:2076 kb
****************************************************************/