Task: Program Execution
Input (English): 7, 15, ['P', '4329', '9003', '8227', 'a', 'F', 'y', 'I', '9667', '869', 'c', 'O', 'o', 'q', 'N', '5261', 'a', 'k', '1309', 'Z', '163', 'K', '4855']
Output (English): yI9667869cOoqN