import java.util.Scanner;
public class hey {
/**
* @param args
*/
static int a,b;
private static int add(int a,int b)
{
return a+b;
}
private static double add(double a,double b){
return a+b;
}
private static String add(String a,String b)
{
return a+b;
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner cin=new Scanner (System.in);
String a,b;
int m,n;
while(true)
{
a=cin.next();
b=cin.next();
System.out.println(add(a,b));
m=cin.nextInt();
n=cin.nextInt();
System.out.println(add(m,n));
}
}
}
public class Student {
private String name;
private int age;
private String Address;
private String tel;
public Student(String name,int age,String Address,String tel)
{
this.name=name;
this.Address=Address;
this.age=age;
this.tel=tel;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getAddress() {
return Address;
}
public void setAddress(String address) {
Address = address;
}
public String getTel() {
return tel;
}
public void setTel(String tel) {
this.tel = tel;
}
}
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
//Student s1=new Student();
Student s2=new Student("Hello",13,"adada","123456789");
System.out.println("Name="+s2.getName()+" Age="+s2.getAge()+" Address="+s2.getAddress()+" Tel="+s2.getTel());
}
}