#include <fstream>
#include <iostream>

using namespace std;

int n, k, sol[20];
ifstream fin("combinari.in");
ofstream fout("combinari.out");

bool isValid(int p){
    for(int i = 1; i < p; ++i){
        if(sol[i] == sol[p]){
            return 0;
        }
    }
    if(sol[p - 1] > sol[p]){
        return 0;
    }

    return 1;
}

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

    for(int i = 1; i <= n; ++i){
        sol[p] = i;
        if(isValid(p)){
            bkt(p + 1);
        }
    }
}

int main(){

    fin >> n >> k;
    bkt(1);

    return 0;
}