no se porke me marca error

[sirlord]

import java.io.*;

public class RSA{

public static void main(String[] args){
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
int P,Q,N,Z,D,E;

try{
System.out.println("Ingrese Valor de P");
P = br.readLine();
^
Integer Primo = new Integer (P);


System.out.println("La prima es de : " + P + " donde ventas es " + P);
}
catch(Exception e){
System.out.println("Error : Se te pidio un numero :P \r\nJava dijo :\r\n" + e);
}


}
}