#include <cstdio>

int n,i,x[15],viz[15];

void afisare()
{
    int i;
    for (i=1; i<=n; i++)
        printf("%d ",x[i]);
    printf("\n");
}

void back(int k)
{
    int i;
    if (k<=n)
    {
        for (i=1; i<=n; i++)
        if (viz[i]==0)
    {
        viz[i]=1;
        x[k]=i;
        back(k+1);
        viz[i]=0;
    }
    }
    else afisare();
}

int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    back(1);
    return 0;
}