Task: Program Execution
Input (English): 1, 19, ['2819', '9635', '6527', '8975', 'Y', '9487', '4723', '4287', 'p', 't', '4153', '6659', 'T', '3797', '9949', 'd', '3677', '5769', 'l', 'Y', 'g', 'Y', '5339']
Output (English): l57693677d99493797T66594153tp428747239487Y8975652796352819