# Pastebin gpr3OXpA
#!/usr/bin/env python3

def enum_bin(x):
        
    while True:
        if len(str(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))]
    
        yield '\n'.join(f'{value}: {bit}' for value, bit in reversed(pairs))

for thing in enum_bin(10):
    print(thing)