评测记录
#include<iostream>
using namespace std;
int main(){
int kaishi,jieshu,i,m=0;
cin>>kaishi>>jieshu;
for(i=kaishi;i<=jieshu;i++){
if(i%4==0||(i%400==0&&i%100==0)){
m++;
}
}
cout<<m<<endl;
for(i=kaishi;i<=jieshu;i++){
if(i%4==0||(i%400==0&&i%100==0)){
cout<<i<<" ";
}
}
return 0;
}