#include <iostream>
#include <fstream>
#include <cstring>
#include <string>
#include <climits>
#include <algorithm>
#include <cmath>
using namespace std;

ifstream fin("combinari.in");
ofstream fout("combinari.out");
#define baza 1
#define MAX 1002
#define MOD 1999999973
typedef long long int lli;

int s[20],bx=3;

void p(int a, int b=1)
{
    for(int i=1+s[b-1];i<=b+a-bx;i++)
    {

        s[b]=i;
        if(b==bx)
        {

            for(int j=1;j<=b;j++)
            {
                fout<<s[j]<<" ";


            }
            fout<<"\n";
        }
        else
        {
            p(a,b+1);
        }
    }
}

int main()
{
    int l;
    fin>>l>>bx;
    p(l);



    return 0;
}