printf Problem

import java.util.Scanner;
import java.io.*;
import java.util.Locale;

public class SumOfNumbers {

    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);

        System.out.print("a = ");
        int a = input.nextInt();

        System.out.print("b = ");
        int b = input.nextInt();

        System.out.printf(" %d", a);

    }

}