import java.lang.String;
import java.util.Scanner;
public class Learn {
public static void BOWVocabulary(String [] words,String [] uniquewords,int [] frequency){

    uniquewords[0]=words[0];frequency[0]=1;

    for (int i = 0; i < words.length; i++) { {if(i==0){continue;};


        for (int j = 0; j < words.length; j++) {
            if(words[i].equals(uniquewords[j]))
            frequency[j]=frequency[j]+1;

        }

       uniquewords[i]=words[i];
     frequency[i]++;
    }


    }


  }










public static void main(String [] args){
Scanner input = new Scanner(System.in);
System.out.print("Enter a text (press enter to stop): ");
String text=input.nextLine();
String[] words = text.split("\\s+");
int len=words.length;
String[] uniquewords = new String[len];
//array to save frequency
int [] frequency = new int[len];
BOWVocabulary(words,uniquewords,frequency);
    for (int i = 0; i <len; i++) {

        System.out.println(uniquewords[i]+" "+frequency[i]);
    }



}}