Task: Program Execution
Input (English): 21, 22, ['9007', '757', 'h', '8949', '7043', 'S', '45', '1009', '6547', 's', 'w', 't', 'Y', 'Q', '3361', '773', 's', '2209', '7121', '1693', 'W', 'g', '9321', '1217', 'u']
Output (English): W, g