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

int main() {
    int N, K; cin >> N >> K;
    if((N - 1) % K == 0) cout << "No";
    else {
        cout << "Yes" << "\n";
        for(int i = 0; i < N - 1; i++) {
            cout << i + 1 << " " << i + 2 << " ";
            if(i%K == K - 1) {
                cout << -5001*(K - 1) - 1 << "\n";
            }
            else {
                cout << 5001 << "\n";
            }
        }
    }
}