#include <iostream>
using namespace std;

int n;
bool st[17];
int ans[17];

void dfs(int u){
    if(u == n+1){
        for (int i = 1; i <= n; i ++ ) cout << ans[i] << ' ';
        cout << endl;
        return;
    }
    for (int i = 1; i <= n; i ++ ){
        if(!st[i]){
            st[i] = 1;
            ans[u] = i;
            dfs(u+1);
            st[i] = 0;
        }
    }
}

int main(){
    cin >> n;
    dfs(1);
    return 0;
}