Task: Program Execution
Input (English): 18, 19, ['7863', 'L', '5733', 'I', 'a', '6297', 'A', 'b', '2395', '8709', 'r', 'E', 'Y', '945', '6341', 'p', '6399', '143', '2199', 'I', '583', '5601', 'S', 'u', '7359', 'I']
Output (English): 143, 2199