ClassePrincipale

import java.io.*;
public class ClassePrincipale
{
    InputStreamReader culo=new InputStreamReader(System.in);
    BufferedReader sedere=new BufferedReader(culo);
       public int x;
       public float j;
       public String y;
       public float Virgola(){
        try{
            j=Float.valueOf(sedere.readLine()).floatValue();
        }
        catch(Exception e){};
        return j;
        }

    public int Interi(){
        try{
            x=Integer.valueOf(sedere.readLine()).intValue();
        }
        catch(Exception e){};
        return x;
    }

    public String Stringa(){
        try{
            y=sedere.readLine();
        }
        catch(Exception e){};
        return y;
    }

}