Task: Program Execution
Input (English): 15, 25, ['m', '6659', '1999', 'M', 'h', '3201', '9889', 's', 'a', 'd', 'M', 'l', 'H', 'D', 's', 'L', 'x', '8665', '5241', 'G', '813', 'w', '5637', 'f', '5907', 'Y', '5129', '1743']
Output (English): 5907f5637w813G52418665xLs