N=int(input())
ans=[]
def zero(x):
    ret=0
    while (x&1)==0:
        ret+=1
        x>>=1
    return ret
while N>1:
    if (N&1)==0:
        ans.append("/")
        N>>=1
        continue
    a = zero(N*3+1)
    b = zero(N*3-1)
    if a>b:
        ans.append("+")
        N = N*3+1
    else:
        ans.append("-")
        N = N*3-1
print(len(ans))
print("".join(ans))