#include <bits/stdc++.h>
#define NMAX 10

using namespace std;
ifstream fin("permutari.in") ;
ofstream fout("permutari.out") ;

int n, v[NMAX], uz[NMAX] ;

void afis()
{
    for(int i=1; i<=n; i++)
        fout << v[i] << " " ;
    fout << "\n" ;
}

void bk(int k)
{
    for(int i=1; i<=n; i++)
        if(!uz[i])
        {
            uz[i] = 1 ;
            v[k] = i ;
            if(k == n) afis() ;
            else bk(k+1) ;
            uz[i] = 0 ;
        }
}

int main()
{
    fin >> n ;
    bk(1) ;

    return 0;
}