Task: Program Execution
Input (English): 18, 25, ['O', '4279', '1809', 't', '4643', 'k', '2773', 'b', 'R', 'n', 'S', '7527', 'V', 'C', 'P', 'R', '9779', 'K', 'Z', 's', 'L', '1351', 'u', '6253', '6767', '2103', 'V', '6561', 'O', '6481']
Output (English): KZsL1351u62536767