sapphi-red

import java.util.*;
public class Solve {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    for(int i = 0; i < n; i++){
      char[] y = sc.next().toCharArray();
      char[] x = sc.next().toCharArray();
      int sum = 0;
      sum += Character.getNumericValue(y[0]) * 2;