N=int(input())
sosa=""
cnt = 0
for i in range(10000):
    if N%2 == 0:
        N//=2
        sosa=sosa+"/"
    else:
        if i%2 == 1:
            N=N*3+1
            sosa=sosa+"+"
        else:
            N=N*3-1
            sosa=sosa+"-"
    cnt += 1
    if N==1:
        break
print(len(sosa))
print(sosa)