Task: Program Execution
Input (English): 14, 19, ['X', 'Y', '7867', '4035', '7645', 'U', '9839', 'Q', '1595', 'u', 'L', 'F', 'b', 'P', 'e', '4341', '1851', 'C', 'o', 'u', '7977', 'Z', 'y', 'A', '2905', '1429', '6931', '6729', 'w']
Output (English): Pe43411851Co