Task: Program Execution
Input (English): 7, ['6143', '5197', 'G', 'b', 'c', 'q', 'R', '1063', '8943', 'E', 'F', 'q', 'n', 'L', 'Y', '3519', '1109', 't', '3267', 'G', '1477', '7009', 'D', '8883']
Output (English): 6143, 1063, Y, 7009