#include <iostream> using namespace std; bool leapyear(int y){ if(y%4!=0) return false; else if (y%100!=0) return true; else if (y%400!=0) return false; else return true; } int main(){ int count=0; for(int i=2000;i<=2400;++i){ if(leapyear(i)) ++count; } cout<<count; }