Task: Program Execution
Input (English): 1, 7, ['z', '6027', 'C', 'N', 'n', '745', '9743', 'A', 'F', 'O', '9989', 'T', '6285', '6151', 'n', '149', '331', '8193', '8955', '4923', 's', 'S', '1661']
Output (English): z, A, n, S