Task: Program Execution
Input (English): 1, 6, ['b', '4537', 'F', 'Y', 'n', 'S', 'Z', '9361', '4177', '3685', '7559', '9231', 'D', 'q', 'A', '3965', '7007', '2153', '3177']
Output (English): S, n, Y, F, 4537, b