#include <iostream>
#include <stdio.h>

using namespace std;
int n,p[9],uz[9];
void write()
{
    for(int i=1;i<=n;i++)
        printf("%d ",p[i]);
    printf("\n");
}
void GenPermutari(int k)
{
    if(k-1==n)
        write();
    else
        for(int i=1;i<=n;i++)
        if(!uz[i])
    {
        p[k]=i;uz[i]=1;
        GenPermutari(k+1);
        uz[i]=0;    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    GenPermutari(1);
}