#include<iostream>
using namespace std;
class Year
{
    public:
    static int no(int DD,int MM,int YYYY);
    for((DD>=1&&DD<=31)||(MM>=1&&MM<=12)||(YYYY>=1900&&DD<=2100))
    {
        YYYY-MM-DD;
        
    }
    else
    {
        cout<<"Invalid input";
    }
};
int main()
{
    int DD,MM,YYYY;
    cin>>YYYY>>MM>>DD;
    return 0;
}