import sys

def binary_to_utf8(binary_input):
    decimal_value = int(binary_input, 2)
    utf8_text = decimal_value.to_bytes((decimal_value.bit_length() + 7) // 8, 'big').decode('utf-8')
    return utf8_text


for line in sys.stdin:
    
    if not line.strip():
        print(line, end='')
        continue

    utf8_text = binary_to_utf8(line)
    print(utf8_text)