from collections import defaultdict
import sys


def main():
    sys.setrecursionlimit(100000)
    input = lambda: sys.stdin.readline()[:-1]
    N = int(input())

    flag = defaultdict(bool)
    ans = []
    while N > 1:
        if N % 2:
            n = N * 3
            if flag[n - 1]:
                N = n + 1
                ans.append("+")
                flag[n + 1] = True
            else:
                N = n - 1
                ans.append("-")
                flag[n - 1] = True
        else:
            N //= 2
            ans.append("/")
    print(len(ans))
    print("".join(ans))


if not __debug__:
    f = open(sys.argv[1], "r")
    sys.stdin = f

try:
    sys.set_int_max_str_digits(100000)
except AttributeError:
    pass

main()