import sys
import binascii

def hex_to_utf8(hex_string):
    hex_string = hex_string.replace(' ', '').replace('0x', '')
    bytes_data = binascii.unhexlify(hex_string)

    try:
        utf8_text = bytes_data.decode('utf-8')
    except UnicodeDecodeError:
        utf8_text = bytes_data.decode('utf-8', errors='replace')

    return utf8_text

for line in sys.stdin:
    result_text = hex_to_utf8(line.strip())
    print(result_text)