Task: Program Execution
Input (English): 12, ['Z', '4791', 'b', '5089', '7543', 'I', '6313', 'b', '8301', 'a', 'j', 'M', '6479', 'L', 'U', '1535', '7727', 'T', 'I', '7027', 'O', '3133', '2385', 'u', 'W']
Output (English): Z, 6479, W