Task: Program Execution
Input (English): 2, 16, ['X', '7227', '3287', '9899', 'm', '2557', 'z', 'q', 'C', '6481', '6139', 'V', '203', 'b', 'Z', '97', '2503']
Output (English): 722732879899m2557zqC64816139V203bZ97