Task: Program Execution
Input (English): 4, 10, ['1653', '9749', '8467', '2353', '6365', '3921', '5909', '3243', '3467', '8123', 'r', '9691', 'Y', 'H', 'c', 'X', '6825', 'j', 'q', '9087', 'x', 'r']
Output (English): 2353, H