#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()));
}
 

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