intRightTriangles(500) debe devolver 420.
    testString: 'assert(intRightTriangles(500) == 420, "intRightTriangles(500) should return 420.");'
  - text: intRightTriangles(800) debe devolver 420.
    testString: 'assert(intRightTriangles(800) == 420, "intRightTriangles(800) should return 420.");'
  - text: intRightTriangles(900) debe devolver 840.
    testString: 'assert(intRightTriangles(900) == 840, "intRightTriangles(900) should return 840.");'
  - text: intRightTriangles(1000) debe devolver 840.
    testString: 'assert(intRightTriangles(1000) == 840, "intRightTriangles(1000) should return 840.");'
```