N,M=map(int,input().split())
if M<N-1:
    print("NO")
    exit()

x=(N+1)//2
y=N-x

if M>x*y:
    print("NO")
    exit()

print("YES")

A=[0]*N

for i in range(N):
    if i<x:
        A[i]=i+1
    else:
        A[i]=10**5-i

ANS=[]
M-=N-1
m=0
p=x

count=0
while True:
    if m==x or p==N:
        break
    ANS.append((m+1,p+1))
    if count%2==0:
        m+=1
    else:
        p+=1
    count+=1


SET=set(ANS)

for i in range(x):
    if M==0:
        break
    for j in range(x+1,N):

        if (i+1,j+1) in SET:
            continue

        ANS.append((i+1,j+1))
        M-=1

        if M==0:
            break

print(*A)
for x,y in ANS:
    print(x,y)