def main():
    N = int(input())
    operations = ""
    while N % 2 == 0:
        operations += "/"
        N //= 2

    if N == 1:
        print(len(operations))
        print(operations)
        return

    # m=2n+1
    # 3m+1 6n+3+1=6n+4
    # 3n+2

    # m=2n+1
    # 3m-1 6n+3-1=6n+2
    # 3n+1

    while N > 1:
        if (N // 2) % 2 == 0:
            operations += "+/"
            N = 3 * (N // 2) + 2
        else:
            operations += "-/"
            N = 3 * (N // 2) + 1
        while N % 2 == 0:
            operations += "/"
            N //= 2
    print(len(operations))
    print(operations)


if __name__ == "__main__":
    main()