N = int(input())
ANS = []
S = set()
while N>1:
    if N%2==0:
        N=N//2
        ANS.append('/')
    elif not N in S:
        N=N*3-1
        ANS.append('-')
    else:
        N=N*3+1
        ANS.append('+')
    S.add(N)
print(len(ANS))
print(''.join(ANS))