Task: Program Execution
Input (English): 3, 5, ['4249', '5429', 'T', 'j', '6777', '4885', 's', '53', 'x', '9531', 'g', 'I', 'D', '2869', 'W', '7709', '1315', 'B']
Output (English): T, 53, D, B