N = int(input())

m = N
ans = ""
ans_cnt = 0
while m != 1:
    if m % 2 == 0:
        ans += "/"
        m //= 2
    else:
        if m % 4 == 1:
            ans += "+"
            m *= 3
            m += 1
        else:
            ans += "-"
            m *= 3
            m -= 1
    ans_cnt += 1
print(ans_cnt)
print(ans)