Task: Program Execution
Input (English): 11, 19, ['y', '9757', '6895', '2269', '9859', '1247', '1873', 'W', 'Z', '9169', 'L', 'R', '6979', 'M', 'K', '8891', 'd', '3415', 'T']
Output (English): LR6979MK8891d3415T