#include <iostream>
#include <fstream>
#include <vector>
#include<cstdio>
using namespace std;

//ifstream fin("permutari.in");
//ofstream fout("permutari.out");

vector<int> a(100);
vector<int> pus(100);
int n;
void scrie()
{
    for(int i=1;i<=n;++i)
            fprintf(g,"%d ",x[i]);

        fprintf(g,"\n")
}

void permut(int k)
{
    for(int i=1;i<=n;++i)
        if(!pus[i])
        {
            a[k]=i;
            pus[i]=1;
            if(k==n) scrie();
            else permut(k+1);
            pus[i]=0;
        }
}
int main()
{
    f=fopen("permutari.in","r");
    g=fopen("permutari.out","w");
    fscanf(f,"%d",&n);
    permut(1);



    fclose(f);
    fclose(g);
    return 0;
}