Task: Program Execution
Input (English): 10, ['6833', 'b', 'I', 'd', '9461', '6159', '4671', 'G', '2961', 'B', '4739', 'S', '1615', '7353', 'g', 'm', '5039', 'N', 'W', '2043', 'C', '469']
Output (English): 6833, 4739, C