#int(input())
#map(int, input().split())
#list(map(int, input().split()))

N = int(input())
ans = ""
m = 0

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

print(m)
print(ans)