#include <iostream>
using namespace std;
int main()
{
    int n,k;
    cin >>n >> k;
    int a[k];
    for ( int i=0 ; i < k ; i++ )
        a[i]=i+1;
  for( int i=0 ; i < k ; i++ )
        cout<< a[i] << " ";
    cout<<endl;

    int j=0;
    while(a[0]<=n-k)
    {j=k-1;




        while (a[j] == n-k+j+1)

            j--;

        if (j>0)
        a[j]++;

        for (int l=j+1 ; l<k ; l++)
            a[l]=a[l-1]+1;
          for( int i=0 ; i < k ; i++ )
        cout<< a[i] << " ";
    cout<<endl;


    }

}