import sys
input = lambda :sys.stdin.readline()[:-1]

def main():
    N = int(input())

    i = 0

    ans = []
    
    while i <= 10000 and N < 10 ** 18 and N != 1:
        if N % 2== 0:
            N //= 2
            ans.append("/")
        else:
            N = 3 * N - 1
            ans.append("-")
        i += 1

    print(i)
    print(*ans, sep="")

if __name__ == '__main__':
    main()