#include <conio.h>
#include <stdio.h>
#include <iostream.h>
main()
{
      int a1,a2,i,m;
      cout<<"Please input first number :";
      cin>>a1;
      cout<<"Please last first number :";
      cin>>a2;
      
      m=a1%2;
      if(m==0){
               for(i=a1+2;i<a2;i+=2){
                                   cout<<i<<"  ";
                                   }
                                   }else{
                                         a1++;
                                          for(i=a1;i<a2;i+=2){
                                   cout<<i<<"  ";
                                   }
                                   }
                                   getch();
                                   }