Task: Program Execution
Input (English): 2, 9, ['5997', 'j', '2629', 'U', '6885', '9073', '291', 'y', 'K', '3477', 'a', 'm', 'u', '2449', 'a', 'P', 'O', 'i', '107', 'K', '8849', '1303', 'H', '9137', 'U']
Output (English): j, a, K