def realDiv(a, b):
  return 2 * (((a - 1) // 2) // ((b - 1) // 2)) + 1

def realShiftL(a, b):
  return 2 * (((a - 1) // 2) << ((b - 1) // 2)) + 1

def realShiftR(a, b):
  return 2 * (((a - 1) // 2) >> ((b - 1) // 2)) + 1

def realXOr(a, b):
  return 2 * (((a - 1) // 2) ^ ((b - 1) // 2)) + 1

def realAnd(a, b):
  return 2 * (((a - 1) // 2) & ((b - 1) // 2)) + 1

def studDiv(a, b):
  pass

def studShiftL(a, b):
  pass

def studShiftR(a, b):
  pass

def studXOr(a, b):
  pass

def studAnd(a, b):
  pass

import random

for x in range(1000):
  a = 2 * random.randint(-100, 100) + 1
  b = 2 * random.randint(-100, 100) + 1
  while b == 1:
    b = 2 * random.randint(-100, 100) + 1

  if realDiv(a, b) != studDiv(a, b):
    print("Div broken")
  if realShiftL(a, b) != studShiftL(a, b):
    print("ShiftL broken")
  if realShiftR(a, b) != studShiftR(a, b):
    print("ShiftR broken")
  if realXOr(a, b) != studXOr(a, b):
    print("XOr broken")
  if realAnd(a, b) != studAnd(a, b):
    print("And broken")