Task: Program Execution
Input (English): 1, 2, ['1529', 'k', '2233', '6799', 'i', '2069', '223', 'o', 'x', 'C', 'R', '4907', '2773', 'K', 'h', '891', 'J', '1285', '2975', 'R', 'm', 'z', '2521', 'y', 'U']
Output (English): k, 1529