print unpack('n',         pack('H*', '03e8')), "\n";   # 1000
print unpack('v', reverse pack('H*', '03e8')), "\n";   # 1000
print unpack('v',         pack('H*', 'e803')), "\n";   # 1000
print unpack('n', reverse pack('H*', 'e803')), "\n";   # 1000