Task: Program Execution
Input (English): 5, ['2179', 'v', '4273', 'L', '855', '919', '951', 'A', 'S', '5031', '7583', 'c', 'c', '4185', '8153', 'Z', 'S', 'g', '3641']
Output (English): 2179, 919, 7583, Z