import java.util.*;

class Question400
{
	public static void main(String[] str)
	{
	
		Scanner scan = new Scanner(System.in);
		StringBuilder strbl = new StringBuilder();
		
		String s = scan.next();
		
		for(int i=0; i<s.length(); i++){
			if(s.charAt(i)=='<')
				strbl.append(">");
			else
				strbl.append("<");
		}
		
		System.out.println(strbl.reverse());
	}
}