#include <stdio.h>

int n,a[10],b[10];

void back(int x)
{
    if (x>n)
    {
        for (int j=1; j<=n; ++j)
        printf("%d ",a[j]);
        printf("\n");
        return;
    }
    int i;
    for (i=1; i<=n; ++i)
    {
        if (b[i]==1) continue;
        a[x]=i;
        b[i]=1;
        back(x+1);
        b[i]=0;
    }
}

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