import re
import sys

def binary_to_utf8(binary_string):


    bytes_list = [binary_string[i:i+8] for i in range(0, len(binary_string), 8)]

    decimal_list = [int(byte, 2) for byte in bytes_list]

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

    return utf8_text

for line in sys.stdin:
    result = binary_to_utf8(line.strip())
    print(result)