#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
    int a;
    cout<<"A="; cin>>a;
    int b;
    cout<<"B="; cin>>b;
    for (int i=a; i<=b; i++)
        if (i%2==0) cout<<i<<"\t\n";
    cout<<"K sledyuschemy\n";
    getch();
////////////////////////////////////
///                              ///
///------------------------------///
///                              ///
////////////////////////////////////
    int q;
    cout<<"A="; cin>>q;
    int w;
    cout<<"B="; cin>>w;
    int i=q;
    while (i<=w)
    {
          if (i%2==0) cout<<i<<"\t\n";
          i++;
        }
cout<<"K sledyuschemy\n";
getch();
////////////////////////////////////
///                              ///
///------------------------------///
///                              ///
////////////////////////////////////
    int r;
    cout<<"A="; cin>>r;
    int t;
    cout<<"B="; cin>>t;
    int p=r;
    do
    {
          if (p%2==0) cout<<p<<"\t\n";
          p++;
        }
        while (p<=t);
        cout<<"K sledyuschemy\n";
        getch();

return 0;
}