Task: Program Execution
Input (English): 1, 6, ['1979', '2049', '4017', 'u', 'h', '8717', 'b', 'C', '3657', 'z', 'w', 'u', 'V', '3519', '1681']
Output (English): 1979, 2049, 4017, u, h, 8717