N = int(input())
ans = []
while N > 1:
    if N % 2 == 0:
        N //= 2
        ans.append('/')
    else:
        if N % 4 == 1:
            N = 3*N+1
            ans.append('+')
        elif N % 4 == 3:
            N = 3*N-1
            ans.append('-')
print(len(ans))
print(*ans, sep="")