using System;
using System.Linq;
using System.Collections.Generic;

class No400{
    static void Main(){
        var str=Console.ReadLine();
        var list=new List<string>();
        foreach(var c in str){
            if(c=='<')list.Add(">");
            else list.Add("<");
        }
        list.Reverse();
        foreach(var l in list){
          Console.Write(l);  
        }
        Console.WriteLine();
    }
}