Task: Program Execution
Input (English): 3, 2, ['8719', 'U', 'Y', '4073', '509', 'm', '1429', 'l', '379', 't', 'N', '4259', 'K', 'N', '1431', '2617', 'J']
Output (English): Y, 509, 1429, 379, N, K, 1431, J