#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <iostream>
#include <sys/types.h>

using namespace std;

int main(){
  pid_t pid;
  pid = fork();

  if(pid < 0){
    cout<<"Fork Failed";
    return 1;
  }else if(pid == 0){
    cout<<"Child class pid = "<<getpid();
  }else{
    cout<<"Parent class pid = "<<getppid()<<endl;
  }
  return 0;
}