Task: Program Execution
Input (English): 4, 7, ['W', 'Z', 'X', 'I', 'K', '9651', 'z', '1321', '7017', 'x', 'c', '5787', 'Z', 'l', '5837', '4489', '3785', 't', '75', 'd']
Output (English): z, 9651, K, I