import java.util.*;
import java.lang.*;
import java.io.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String test1 = "50 min";
        String test2 = "20 hrs 50 mins";
        String test3 = "1 d 20 hrs 50 min";
        String test4 = "3 meses 15 dias 20 horas 50 minutos";
 
        System.out.println(format(test1));
        System.out.println(format(test2));
        System.out.println(format(test3));
        System.out.println(format(test4));
	}
 
	private static String format(String string){
        Scanner scanner = new Scanner(string);
        StringBuilder sb = new StringBuilder();
        while(scanner.hasNext()){
            sb.append(scanner.next())
              .append(scanner.next())
              .append(" ");
        }
        return sb.toString();
    }
}

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