# Floor implementation in Python3

import os
import sys

def floor(n):
  return -1
  
if __main__=="__main__":
  # DO NOTHING FOR NOW :)

# Floor implementation in Python3

import os
import sys

def floor(n):
  return -1
  
if __main__=="__main__":
  # DO NOTHING FOR NOW :)

# Floor implementation in Python3 # DO NOTHING FOR NOW :)