Task: Program Execution
Input (English): 4, ['P', '2421', '301', 't', '3557', 'I', '9069', '9333', '5243', 'L', '2893', '1135', 'F', '9061', '3601', 'R', '3137', '941', '2083', 'I', 'q', '6129', '615', '5617', 'o', 'p']
Output (English): P, 3557, 5243, F, 3137, q, o