Task: Program Execution
Input (English): 11, 15, ['6359', 'n', 'h', '4649', '249', 'j', '7849', '7449', 'X', '5961', '3507', 'V', 'O', 'n', 'Q', 'L', '4795', 'B', '3971', 'f', 'C', 'P', '8917', '359', '6977']
Output (English): 3507, V, O, n, Q