# Pastebin 8zEsAmJi
#!/usr/bin/env python3

while True:
    x = input('integer: ')
    if len(x.strip()) == 0:
        break
    
    try:
        x = int(x)
    except ValueError:
        print(f'invalid input: {x!r}')
        continue

    bits = f'{x:08b}'
    pairs = [[2**i, b]for i, b in enumerate(reversed(bits))]

    print('\n'.join(f'{value}: {bit}' for value, bit in reversed(pairs)))