#include<bits/stdc++.h>
using namespace std;
int n;
int a[10];
void dfs(int step,string s){
    if(step>n){
        cout<<s<<endl;
        return;
    }
    for(int i=1;i<=n;i++){
        if(a[i]==0){
            a[i]=1;
            dfs(step+1,s+char(i+'0')+" ");
            a[i]=0;
        }
    }
       
}
int main(){
    cin>>n;
    dfs(1,"");
    return 0;
}
/**************************************************************
	Problem: 1308
	User: lijinkai
	Language: C++
	Result: Accepted
	Time:44 ms
	Memory:2076 kb
****************************************************************/