public class Exercise11 {
  public static int getValue(int a, int b, int n) {
    int returnValue;
    System.out.println("Enter: a = " + a + " b = " + b);

    int c = (a + b)/2;
    if (c * c <= n) {
       returnValue = c;
    }
    else {
      returnValue = getValue(a, c-1, n);
    }  // end if
    System.out.println("Leave: a = " + a + " b = " + b);
    return returnValue;
  }  // end getValue

  public static void main(String[] args) {
    System.out.println(getValue(1, 7, 7));
  }  // end main
}  // end Exercise11