n = int(input())
operation_char = ""
repeat_times = 0

while n != 1:
    if n % 2:
        if n % 4 == 1:
            n = 3*n + 1
            operation_char += "+"
        else:
            n = 3*n - 1
            operation_char += "-"

    else:
        n //= 2
        operation_char += "/"

    repeat_times += 1

print(repeat_times)
print(operation_char)