using System;
using System.Text;

namespace ConsoleApp4
{
    class Program
    {
        static void Main(string[] args)
        {
            string sosatHuj = Console.ReadLine();
            StringBuilder str = new StringBuilder(sosatHuj);
            int count = 0;
            int count2 = 0;
            for (int i = 0; i < str.Length - 1; i++)
            {
                if (str[i] == '(')
                {
                    
                    if (count == 1)
                    {
                        str[i] = '[';
                    }
                    else if (count > 1)
                    {
                        str[i] = '{';
                    }
                    count++;
                }
            }
            for (int i = str.Length - 1; i > 0; i--)
            {
                if (str[i] == ')')
                {
                    
                    if (count2 == 1)
                    {
                        str[i] = ']';
                    }
                    if (count2 > 1)
                    {
                        str[i] = '}';
                    }
                    count2++;
                }
            }
            Console.WriteLine(str);
            Console.ReadKey();
        }
    }
}