Help me in solving CANDYSTORE problem

My issue

not getting output

My code

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

class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner scanner = new Scanner(System.in);
		
		int t = scanner.nextInt();
		
		for(int i=0;i<=t;i++){
		    int x = scanner.nextInt();
		    int y = scanner.nextInt();
		    
		    if(x>=y){
		        System.out.println(y);
		    }
		    else{
		        System.out.println(2*y-x);
		    }
		}

	}
}

Learning course: Basic Math using Java
Problem Link: Candy Store Practice Problem in - CodeChef