NodeMCU and Code For Blynk

#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
char auth[] = "xxxxxxxxxxxxxxxxxxxxxxxxxxx";  // On Sim
int P0,P1;
BLYNK_WRITE(V4){P0 = param.asInt();}
BLYNK_WRITE(V1){P1 = param.asInt();analogWrite(14,P1);}
void setup(){
  Blynk.begin(auth,"user","password",IPAddress(159,89,39,112),8442);
  pinMode(2,OUTPUT);pinMode(12,OUTPUT);pinMode(14,OUTPUT);
}
void loop(){
  if(!digitalRead(13)){
    Blynk.notify("You Press Key");
  }
  Blynk.run();
  Blynk.virtualWrite(V0,analogRead(A0));
  Blynk.virtualWrite(V5,P1);
  if (P0){
    digitalWrite(2,1);
  }
  else{
    digitalWrite(2,0);
  }
}