#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> P;
typedef vector<ll> VI;
typedef vector<VI> VVI;
#define REP(i,n) for(ll i=0;i<(n);i++)
#define ALL(v) v.begin(),v.end()
constexpr ll MOD=1000000007;
constexpr ll INF=2e18;

int main(){
    int n, k; cin >> n >> k;
    if(n-1==k){
        cout << "No" << endl;
        return 0;
    }
    if(k==1){
        cout << "No" << endl;
        return 0;
    }
    if(k==2&&n%2==1){
        cout << "No" << endl;
        return 0;
    }
    cout << "Yes" << endl;
    if(k==2){
        REP(i,n-1){
            if(i%2==0)
                cout << i+1 << " " << i+2 << " " << n << endl;
            else
                cout << i+1 << " " << i+2 << " " << -n-1 << endl;
        }
    }
    else{
        REP(i,n-1){
            if(i<k-1){
                if(i==0)
                    cout << i+1 << " " << i+2 << " " << -((n-k)*2-1) << endl;
                else
                    cout << i+1 << " " << i+2 << " " << 0 << endl;
            }
            else{
                cout << 1 << " " << i+2 << " " << 2 << endl;
            }
        }
    }
}