Input (grade 13): Anastasia was seventeen years and one month old at the time of the assassination, while her sister Maria was nineteen years, one month old and her brother Alexei was two weeks shy of his fourteenth birthday.
Output (grade 10): Anastasia was 17 years and one month old when she was killed; Maria was 19 years, one month old, and Alexei was just two weeks before his fourteenth birthday.