#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n, m;
    cin >> n >> m;

    int n0 = (n + 1) / 2, n1 = n / 2;

    if (m < n - 1 || m > (int64_t)n0 * n1) {
        cout << "NO" << endl;
        quick_exit(0);
    }
    cout << "YES" << endl;

    for (int i = 0; i < n; i++) {
        cout << i + 1 << " \n"[i == n - 1];
    }

    for (int i = 0; i < n - 1; i++) {
        cout << (i + 1) / 2 + 1 << ' ' << i / 2 + n0 + 1 << '\n';
        m--;
    }
    for (int j = n0; j < n; j++) {
        for (int i = 0; i < n0; i++) {
            if (m > 0) {
                if (i == j - n0 || i - 1 == j - n0) continue;
                cout << i + 1 << ' ' << j + 1 << '\n';
                m--;
            }
            if (m == 0) {
                cout << flush;
                quick_exit(0);
            }
        }
    }

    return 0;
}