Task: Program Execution
Input (English): 9, 13, ['3439', 'P', '4685', '3163', '7521', '6221', 'Y', 'Q', '8035', '5345', 'Q', 'i', 'X', 'u', '6105', 'T', 'J', '5689', '4687', '6303']
Output (English): X, i, Q, 5345, 8035