#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");
        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: hongjiaming
	Language: C++
	Result: Accepted
	Time:31 ms
	Memory:2076 kb
****************************************************************/