import sys

def decode_little_endian(hex_input):
    hex_values = hex_input.split()
    result = []

    for hex_val in hex_values:
        hex_str = hex_val[2:]  # Remove '0x'
        bytes_val = bytes.fromhex(hex_str)
        reversed_bytes = bytes_val[::-1]
        result.append(reversed_bytes.decode('utf-8'))

    print(''.join(result))


if __name__ == "__main__":
    if len(sys.argv) != 2:
        print("Usage: python script.py \"0x.... 0x.... ...\"")
        sys.exit(1)

    input_data = sys.argv[1]
    decode_little_endian(input_data)