#include<bits/stdc++.h>
using namespace std;
int n,v[1000];
void dfs(int x,string s){
	if(x>n){
        cout<<s<<endl;
        return;
    }
    for(int i=1;i<=n;i++){
        if(!v[i]){
            v[i]=1;
            dfs(x+1,s+char(i+'0')+' ');
            v[i]=0;
        }
    }
}
int main(){
	cin>>n;
//	for(int i=0;i<=n;i++) 
	dfs(1,"");
	return 0;
}

/**************************************************************
	Problem: 1308
	User: liyunshuo
	Language: C++
	Result: Accepted
	Time:73 ms
	Memory:2080 kb
****************************************************************/