import java.util.*;
import java.lang.*;
import java.io.*;

public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner sc=new Scanner (System.in);
        int n=sc.nextInt();
        TreeMap<String ,String> hmap=new TreeMap<String , String> ();
        for(int i=0;i<n;i++){
          String key=sc.next();
          String value=sc.next();
          hmap.put(key,value);
        }
        hmap.put("bread","butter");
      for(int i=0;i<hmap.size();i++){
          if(hmap.containsKey("icecream")){
            hmap.put("icecream","cherry");
          }
      }
      for(Map.Entry<String,String> m: hmap.entrySet()){
        System.out.println(m.getKey()+" "+m.getValue()+"");
      }

	}
}