题解

#include <bits/stdc++.h>
using namespace std;
int a,b,cnt;
int main() {
	scanf("%d%d",&a,&b);
	for(int i=a;i<=b;++i) 
      if(i%2500==0||(i%25==0&&i%100!=0)){printf("%d ",i);cnt++;}
	printf("\n%d",cnt);
	return 0;
}