Task: Program Execution
Input (English): 5, ['Y', 'T', 'Z', 'k', 'L', '9623', '9127', '1111', '5725', 'X', '6501', '9899', '5093', 'B', 'E', 'T', 'N', 'I', '8801']
Output (English): Y, T, Z, k, L