# your code goes here
import struct
buffer= b'MZ\x90\x00\x03\x00\x00\x00\x04\x00\x00\x00\xff\xff\x00\x00\xb8\x00'
sourceAddress = (struct.unpack_from('h', buffer, 0)
                 , struct.unpack_from('h', buffer, 2)
                 , struct.unpack_from('h', buffer, 4)
                 , struct.unpack_from('h', buffer, 6))
print(str(sourceAddress[0]))
print(type(sourceAddress))