Task: Program Execution
Input (English): 13, 13, ['2687', 'T', '8165', 'L', '7437', '6859', 'A', '475', 'K', '5447', '5021', 'y', '7509', '1791', '6049', 'b', '9699', 'B', '7111', '9029', '609', 'g', '8449', '7927', '9057']
Output (English): 7509