//
//  combinari.cpp
//  probleme
//
//  Created by Mihnea Buzoiu on 6/5/21.
//

#include <stdio.h>
#include <iostream>

using namespace std;

int v[11];
int n, k;

void print(){
    for (int i=0; i<k; i++)
        printf("%d ", v[i]);
    printf("\n");
}

void f(int q, int lv){
    for (int i=q+1; i<=n; i++){
        v[lv] = i;
        
        if (lv < k-1)
            f(i, lv+1);
        else print();
    }
    return;
}

int main(int argc, const char * argv[]) {
    
    freopen("combinari.in", "r", stdin);
    freopen("combinari.out", "w", stdout);
    
    scanf("%d %d", &n, &k);
    
    f(0, 0);
}