Task: Program Execution
Input (English): 19, 20, ['W', '6371', '5661', '2061', 'e', '8731', '121', '2097', 'Q', 'R', 'd', 'm', 'c', 'V', 'L', 'U', 'u', 'c', '7543', 'w', '8461', 'L', 'b', 'F', 'D', '4427', 'J', 'b', '4113', 'x']
Output (English): w3457