Task: Program Execution
Input (English): 19, 21, ['j', '4263', '3993', '9191', 'I', 'b', 'E', '6615', '4763', '4653', 'w', '3021', '9945', 'W', 'k', '9699', 'l', '3325', 'Y', '4167', 'o', '3631', '2615', '8035', '1517']
Output (English): Y, 4167, o