#include <stdio.h>

using namespace std;

int st[20],n,k;

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

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

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