Task: Program Execution
Input (English): 10, 14, ['R', '4393', 'K', 'K', 'Y', 'K', '2573', '9943', '9389', '2191', '1911', '5533', 'C', 'X', '9533', '4315', '5143', 'W', '6949', '5223']
Output (English): XC335511911912