class Encrypt():
    def __init__(self):
        self.send = ""
        self.data = []

# Sender encrypts the data
    def sender(self):
        self.send = input("Enter the data: ")
        self.data = [ord(i)+2  for i in self.send]
        print("Encrypted data:", "".join(chr(i) for i in self.data))

class Decrypt(Encrypt):
    # Receiver decrypts the data
    def receiver(self):
        decrypted_data = ''.join(chr(i-2) for i in self.data)
        print("Decrypted data:", decrypted_data)

# Usage
obj = Decrypt()
print("'"+obj.send+"'",obj.data)
obj.sender()
#obj.receiver()