#include <iostream>
#include <fstream>
using namespace std;
int sol[100],n,k;
void bkt(int j,int i)
{
    if(i>k)
    {
        for(int a=1;a<=k;a++)
            printf("%d ",sol[a]);
        printf("\n");
    }
    else
    for(j=j;j<=n;j++)
    {
        sol[i]=j;
        bkt(j+1,i+1);
    }
}
int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    scanf("%d %d",&n,&k);
    bkt(1,1);
    return 0;
}