Task: Program Execution
Input (English): 3, 4, ['K', '1861', '633', '249', '2659', '3353', '6407', '5741', 'T', 'F', 'U', '7247', 'V', 'D', '8573', 'p', '9653', 'k', 'Q', 'l', 'y', 'k']
Output (English): 633, 6407, U, 8573, Q