n, k = map(int, input().split())
if (n - 1) % k == 0:
    print('No')
else:
    print('Yes')
    a = [0] * n
    for i in range(k):
        if i > 0:
            a[i] = 10000000
        for j in range(i + k, n, k):
            a[j] = a[j - k] - 1
    for i in range(n - 1):
        print(i + 1, i + 2, a[i + 1] - a[i])