def startup():
  pi, ni = map(int, input().split(' '))
  if pi == 1:
    pyramidOne(ni)
  elif pi == 2:
    pyramidTwo(ni)
 
def pyramidOne(n):
  i = 0
  for x in range(1,n+1):
    if i == 0 and x == 1:
      if i !=1: 
        i = i + 1 
    if i>0 and i<=2 and x<=4:
      if i == 1 and x == 4: 
        i = i + 1
    if i>1 and i<=3 and x<14:
      if i != 3 and x == 14: 
        i = i + 1
  print(i)
  startup()
 
def pyramidTwo(n):
  i = 0 
  for x in range(1,n+1):
    if i == 0 and x == 1:
      if i !=1:
        i = i +1
    if i>0 and i<=2 and x<=10:
      if i == 1 and x == 9:
        i = i + 1
    if i>1 and i<=3 and x<=35:
      if i != 3 and x == 35:
        i = i + 1
  print(i)
  startup()
startup()

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MSA1CjIgOQoyIDEwMA==

1 5
2 9
2 100