#include<stdio.h>
int v[20],a[20],N;

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

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

}



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