Task: Program Execution
Input (English): 12, 13, ['A', '31', '1751', 't', 'L', '7423', 'L', '8709', 'p', 'E', 'T', '7835', 'u', '3891', '5279', 'e', '3503', '9683', '4729', '3707', 'D', 'O']
Output (English): 7835