Task: Program Execution
Input (English): 4, 12, ['D', '4357', 'g', 'L', '7195', '5663', 'u', 'U', 'c', 'B', '5561', 'r', 'c', '3569', 'o', 'Z', '4129', 'U', 'p', '9289', '4529', 'p', 'Y', '9851', '2569']
Output (English): L, Z