#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
using namespace std;

int main()
{
    int n, m;
    cin >> n >> m;
    if(!(n - 1 <= m && m <= (n / 2) * ((n+1) / 2))){
        cout << "NO" << endl;
        return 0;
    }

    vector<int> a(n);
    for(int i=0; i<n; ++i){
        if(i % 2 == 0)
            a[i] = n - i / 2;
        else
            a[i] = i / 2 + 1;
    }

    vector<pair<int, int> > edges;
    for(int i=0; i<min(n-1,m); ++i)
        edges.push_back(make_pair(i+1, i+2));
    for(int i=0; i<n; ++i){
        if(edges.size() == m)
            break;
        for(int j=i+3; j<n; j+=2){
            if(edges.size() == m)
                break;
            edges.push_back(make_pair(i+1, j+1));
        }
    }

    cout << "YES" << endl;
    cout << a[0];
    for(int i=1; i<n; ++i)
        cout << ' ' << a[i];
    cout << endl;
    for(int i=0; i<m; ++i)
        cout << edges[i].first << ' ' << edges[i].second << endl;

    return 0;
}