import bisect
import copy
import decimal
import fractions
import heapq
import itertools
import math
import random
import sys
import time
from collections import Counter,deque,defaultdict
from functools import lru_cache,reduce
from heapq import heappush,heappop,heapify,heappushpop,_heappop_max,_heapify_max
def _heappush_max(heap,item):
    heap.append(item)
    heapq._siftdown_max(heap, 0, len(heap)-1)
def _heappushpop_max(heap, item):
    if heap and item < heap[0]:
        item, heap[0] = heap[0], item
        heapq._siftup_max(heap, 0)
    return item
from math import gcd as GCD
read=sys.stdin.read
readline=sys.stdin.readline
readlines=sys.stdin.readlines
write=sys.stdout.write

N,K=map(int,readline().split())
inf=1<<20
if K==1:
    print("No")
elif K==2:
    if N%2:
        print("No")
    else:
        print("Yes")
        for i in range(N-1):
            if i%2:
                print(i+1,i+2,-(inf+1))
            else:
                print(i+1,i+2,inf)
else:
    if K==N-1:
        print("No")
    else:
        print("Yes")
        for i in range(K-1):
            print(i+1,i+2,-inf)
        for i in range(K,N):
            print(K,i+1,inf*(K-1)-1)