#include <cstdio>
#include <cstring>
#include <iostream>
#include <string>
#include <cmath>
#include <bitset>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <algorithm>
using namespace std;
typedef long long int ll;
typedef pair<int, int> P;
int main()
{
	int n, m;
	cin>>n>>m;
	if(m<n-1 || (ll)m>((ll)((n+1)/2)*(ll)(n/2))){
		cout<<"NO"<<endl;
		return 0;
	}
	cout<<"YES"<<endl;
	for(int i=1; i<n; i++){
		if(i%2) cout<<i/2+1<<" ";
		else cout<<i/2+(n+1)/2<<" ";
	}
	if(n%2) cout<<n/2+1<<endl;
	else cout<<n/2+(n+1)/2<<endl;
	for(int i=1; i<=n-1; i++){
		cout<<i<<" "<<i+1<<endl;
	}
	m-=(n-1);
	for(int i=1; i<=n; i+=2){
		if(m<=0) break;
		for(int j=2; j<=n; j+=2){
			if(m<=0) break;
			if(abs(i-j)==1) continue;
			cout<<i<<" "<<j<<endl;
			m--;
		}
	}
	return 0;
}