#include <iostream>
#include <fstream>
#include <cstdio>
#include <cstdlib>
#include <string>
using namespace std;
ifstream in("combinari.in");
ofstream out("combinari.out");
int n,k;
int sol[19];

void afisare()
{
    for(int i=1;i<=k;i++)
        out<<sol[i]<<" ";
    //out<<"\n";
    out<<endl;
}

void bkt(int p)
{
    if(k==p-1)
    {
        afisare();
        return;
    }
    for(int i= 1+sol[p-1];i<=n;i++)
    {
        sol[p]=i;
        bkt(p+1);
    }
}

int main()
{
    string tmp;
    in>>tmp;
    n=atoi(tmp.c_str());
    in>>tmp;
    k=atoi(tmp.c_str());
    bkt(1);

    return 0;
}