UP/DOWN

import java.util.Random;
import java.util.Scanner;

class Main {
  public static void main(String[] args) {
  Scanner scan=new Scanner(System.in);
  Random rand = new Random();

  int num = 1+ rand.nextInt(100);
  while(true){
   int myNum =Integer.parseInt(scan.nextLine());
   if(num==myNum){
     break;
     }else if(num>myNum){
       System.out.println("UP");

     }else{
       System.out.println("DOWN");
     }
    }
    System.out.println("Bravo!");
   }
  }

HOMEWORK
import java.util.Random;
import java.util.Scanner;

class Main {
  public static void main(String[] args) {
  Scanner scan=new Scanner(System.in);
  Random rand = new Random();
  int prize=0;
  int num1 = 1+ rand.nextInt(100);
  System.out.println(num1);
  int UpDown=scan.nextInt();
  while(UpDown==1){
  int num2 = 1+ rand.nextInt(100);
  System.out.println(num2);
  if(num2>num1){
   prize+=500;
 }
if(num2<num1){
break;
}
  }
while(UpDown==2){
int num3 = 1+ rand.nextInt(100);
System.out.println(num3);
if(num3<num1){
  prize+=500;
 }
 if(num3>num1){
break;
 }
}
System.out.println(prize);
   }
  }