N = int(input())
ans = []
while N != 1:
    if N % 2 == 0:
        ans.append("/")
        N //= 2
    elif (3 * N + 1) % 4 == 0:
        ans.append("+")
        N = 3 * N + 1
    else:
        ans.append("-")
        N = 3 * N - 1
        
print(len(ans))
print(*ans, sep="")