Task: Program Execution
Input (English): 3, 7, ['X', 'm', '335', 'E', 'z', 'F', '4271', 'c', '5511', 'l', 'i', 'H', '1043', '9859', 'i', 'B', 'r', '3131', '5401', '5799', 's', '7961']
Output (English): 335, l, r