import java.util.Scanner;
public class practice8 {
public static void main(String[] args) {
int num1 = (int) (Math.random()*100);
int num2 = (int) (Math.random()*100);
Scanner s = new Scanner(System.in);
System.out.print("what is " +num1+ " -"+num2 + " ? ");
int answer = s.nextInt();
int counter = 0;
boolean anw = num1-num2==answer;
if (anw) {
System.out.println("correct");
counter++;
} else {
System.out.printf("incorrect! the answer is %d ",num1-num2);
}
do {
if (!anw) {
break;
}
num1 = (int) (Math.random()*100);
num2 = (int) (Math.random()*100);
System.out.println("what is " +num1+ " -"+num2 + " ? ");
answer = s.nextInt();
anw= num1-num2==answer;
if (anw) {
System.out.println("correct");
counter++;
} else {
System.out.printf("incorrect! the answer is %d ",num1-num2);
}
} while (anw);
System.out.println();
System.out.println("you had " + counter + " guess! ");
}
}