how to scan Integer in Java
import java.util.*;
public class HowToScan {
   public static void main( String args[] ) 
   {
      Scanner S = new Scanner(System.in);
      int a;
      int b;
      int sum;
        a = S.nextInt();
        b = S.nextInt();
        	sum = a + b;
        System.out.println( a + "+" + b  + "=" + sum );
   }
}
