#include <iostream>
#include <fstream>
#define MAX 10
using namespace std;

int arr[MAX];
void combin(int nr, int ord, int comb, int arr[MAX],ofstream& out){
    int i;
    if(ord == comb ){
        for(i = 0; i != ord; i++){
            out << arr[i]<<" ";
        }
        out << endl;
        return;
    }
    for (i = arr[ord-1]+ 1 ; i <= nr; i++){
        arr[ord] = i;
        combin(nr,ord + 1, comb,arr, out);
    }
    return;
}

int main()
{
    ifstream in;
    in.open("combinari.in");
    ofstream out;
    out.open("combinari.out");
    int nr,comb;
    in >> nr >> comb;
    for (int i = 0; i != nr; i++)arr[i] = 0;
    combin(nr, 0, comb, arr, out);
    return 0;
}