#include <bits/stdc++.h>
using namespace std;
int n,v[100];
void ddw(int x,string s){
    if(x>n){
        cout<<s<<endl;
        return;
    }
    for(int i=1;i<=n;i++){
        if(v[i]==0){
            v[i]=1;
            ddw(x+1,s+char(i+'0')+' ');
            v[i]=0;
        }
    }
}
int main() {
    cin>>n;
    ddw(1,"");
    return 0;
}

/**************************************************************
	Problem: 1308
	User: jiangzhenghang
	Language: C++
	Result: Accepted
	Time:55 ms
	Memory:2076 kb
****************************************************************/