#include<stdio.h>

int N,a[9],v[9];

void backy(int k)
{
    if(k==N)
    {
        for(int i=1;i<=N;++i)
            printf("%d ",a[i]);
        printf("\n");
        return;
    }

    for(int i=1;i<=N;++i)
        if(v[i]==0)
        {
            a[k+1]=i;
            v[i]=1;
            backy(k+1);
            v[i]=0;
        }
}

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