#include <bits/stdc++.h>
using namespace std;

int main(){
    ifstream cin("combinari.in");
    ofstream cout("combinari.out");
    int n, k;
    cin >> n >> k;
    vector<bool> v(n);
    for(int i = 0; i < k; ++i)
        v[i] = 1;
    do{
        for(int i = 0; i < n; ++i)
            if(v[i])
                cout << i + 1 << ' ';
        cout << '\n';
    }while(next_permutation(v.begin(), v.end(), greater<int>()));
}