#epp "assert"

class Testassert {
  public static void main(String args[]){
    int a = 2;

    System.out.println(div(10, 2) == 5);

    try {
      div(10, 0);
    } catch (Error e){
    }
  }

  static int div(int x, int y){
    assert(y != 0);
    return x / y;
  }
}