#include<bits/stdc++.h>
using namespace std;
int n,v[100];
void dfs(int step,string s){
    if(step>n){
        cout<<s<<endl;
        return;
    }
    for(int i=1;i<=n;i++){
        if(v[i]==0){
        v[i]=1;
        dfs(step+1,s+char(i+'0')+" ");
        v[i]=0; 
        }
    }
}
int main(){
    cin>>n;
    dfs(1,"");
    return 0;
} 
/**************************************************************
	Problem: 1308
	User: wangyichen2
	Language: C++
	Result: Accepted
	Time:47 ms
	Memory:2076 kb
****************************************************************/