N,M,K=map(int,input().split())
v=[[0]*(N+1) for i in range(N+1)]
rest=N*(N-1)//2-M
if rest<K-1:
  print('No')
  exit()
for x in range(1,K):
  v[x][x+1]=1
  rest-=1
v[K-1][N]=1
rest-=1
l=K
r=N-1
for a in range(l,r):
  if rest==0:
    break
  for b in range(a+1,r+1):
    v[a][b]=1
    rest-=1
    if rest==0:
      break
for x in range(K-2,K):
  if x<=0:
    continue
  if rest==0:
    break
  for a in range(l,r+1):
    v[x][a]=1
    rest-=1
    if rest==0:
      break
for a in range(l,r+1):
  if rest==0:
    break
  v[a][N]=1
  rest-=1
if rest>0:
  print('No')
  exit()
print('Yes')
for x in range(1,N):
  for y in range(x+1,N+1):
    if v[x][y]==0:
      print(x,y)