Task: Program Execution
Input (English): 19, 21, ['2633', 'b', 'm', 'E', '5155', 'T', 'h', 'P', '8719', '1857', 'T', '7907', '7005', 'k', '5013', '2975', 'W', '6715', 'Y', '3497', '3667', 'c', 'Y', '1709', 'w', 'A', 'n', '407', '2925']
Output (English): Y, 3497, 3667