#include <iostream>
#include <algorithm>
#include <vector>

int main() {
    int n, r;
    std::cin >> n;
    std::cin >> r;

    std::vector<bool> v(n);
    for (int i = 0; i < n; ++i) {
        v[i] = (i >= (n - r));
    }

    do {
        for (int i = 0; i < n; ++i) {
            if (v[i]) {
                std::cout << (i+1) << " ";
            }
        }
        std::cout << "\n";
    } while (std::next_permutation(v.begin(), v.end()));
}