import sys 
input = sys.stdin.buffer.readline
def main():
    N,K = map(int,input().split()); MAX = 8*pow(10,8)
    if N - 1 == K:
        print("No");exit()
    if K == 2:
        if N == 4:
            print("Yes")
            print("1 2 2");print("2 3 -3");print("3 4 2")
        else:
            print("No")
        exit()
    print("Yes")
    x = MAX//(K-1)
    for i in range(K-1):
        v = i+1; u = i+2
        ret = [v,u,-x]
        print(*ret)
    s = u+1
    y = x*(K-1) - 1
    while s <= N:
        ret = [u,s,y]
        print(*ret)
        s += 1

if __name__ == '__main__':
    main()