n,k = map(int,input().split())
if k==1:
    print("No")
    exit()
elif k >= 3:
    if n-1==k:
        print("No")
        exit()
    print("Yes")
    print(1,2,-k)
    for i in range(1,k-1):
        print(i+1,i+2,0)
    for i in range(n-k):
        print(1,k+i+1,k-1)

if n%2:
    print("No")
    exit()
else:
    print("Yes")
    for i in range(n-1):
        print(i+1,i+2, -n if i%2 else n-1)