import java.util.Scanner; public class BT {

public static void main(String[] args) {
    // TODO Auto-generated method stub
    Scanner sc =new Scanner(System.in);
    int N=sc.nextInt();
    int Y =sc.nextInt();
    int M = sc.nextInt();
    int D = sc.nextInt();
    for(int i=0;i<N;i++){
        if(Y==1989 && M<=2 && D<=27){
            System.out.println("YES");
        }else if(Y<1989 && M<12 && D<31){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
    }   
}

}