N = int(input())
S = ""
while N != 1:
    if N % 4 == 1:
        S += "+"
        N = N * 3 + 1
    elif N % 4 == 3:
        S += "-"
        N = N * 3 - 1
    else:
        S += "/"
        N = N / 2
print(len(S))
print(S)