import java.util.Scanner;
class AccessSpecifier
{
    public static void main(String[] args)
    {
        Scanner sc=new Scanner(System.in);
        A aobj=new A();
        int a=sc.nextInt();
        aobj.setA(a);
        aobj.b=sc.nextInt();
        aobj.c=sc.nextInt();
        aobj.d=sc.nextInt();
        B bobj=new B();
        bobj.display(aobj);
    }
}
class A
{
    private int a;
    public int b;
    protected int c;
    int d;
    public void setA(int a)
    {
      this.a=a;  
    }
    public void print()
    {
        System.out.print(a+" ");
        System.out.print(b+" ");
        System.out.print(c+" ");
        System.out.print(d);
    }
}
class B
{
    A objB=new A();
    public void display(A aobj)
    {
        aobj.print();
    }
}