import javax.swing.*;

public class Inter{

public static void main(String []args){

String a,b;

a = JOptionPane.showInputDialog("Nhap gia tri 1");//nhap

b= JOptionPane.showInputDialog("Nhap gia tri 2:");//nhap

int tong,i,j;

i = Integer.parseInt(a);//chuyen doi tu String sang Int

j = Integer.parseInt(b);//...............................

tong = i+j;

JOptionPane.showMessageDialog(null,"Tong 2 so ban vua nhap la "+tong);//hien

System.exit(0);

}

}