09.1.02FromLeftToTheRightt

import java.util.Scanner;

public class Pr02FromLeftToTheRight {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());

        for (int i = 1; i <= n; i++) {
            double num1 = Double.parseDouble(scanner.next());
            double num2 = Double.parseDouble(scanner.next());

            int digitsSum = 0;
            double maxNumber = Math.abs(Math.max(num1, num2));

            while (maxNumber > 0) {
                digitsSum += (maxNumber % 10);
                maxNumber /= 10;
            }

            System.out.println(digitsSum);
        }

    }
}