#include "stdio.h"

    int n,sol[16],verif[16];

void scrie()
{
    for (int i=0;i<n;i++)
        printf("%d ",sol[i]);
    printf("\n");
}

void back(int x)
{
    if (x==n)
        scrie();
    else
    for (int i=1;i<=n;i++)
        if (!verif[i])
        {
            sol[x]=i;
            verif[i]=1;
            back(x+1);
            verif[i]=0;
        }
}

int main()
{
    freopen("permutari.in","r",stdin);
    scanf("%d",&n);
    fclose(stdin);
    freopen("permutari.out","w",stdout);
    back(0);
    fclose(stdout);
    return 0;
}