Task: Program Execution
Input (English): 10, 12, ['p', '5567', '2935', 'd', 'n', 'x', '1457', '9025', 'A', 'r', 'k', 'P', '4197', '351', '249', 'f', '3607', '417', '9259', 'H', '8179', 'K', '1415', 'H', '43', '2763']
Output (English): P, k, r