View Code of Problem 25

import java.util.Scanner;

public class Main{

	public static void main(String args[]){
		
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		
		while(scan.hasNext()){
		    String big=scan.next();
		    System.out.println(big.toLowerCase()); 
	        }
	        
	}

}