n,k=map(int,input().split())
if k==1:
    print("No")
elif n%2==0:
    print("Yes")
    for i in range(n-1):
        if i%2==0:
            print(i+1,i+2,10**9-1)
        else:
            print(i+1,i*2,-(10**9))
else:
    print("No")