Task: Program Execution
Input (English): [7607, 2751, 6805, '8673', '1407', 'W', '8153', 'h', 9047, 'T', 7651], ['L', 1847, 6271, '8673', '1407', 'W', '8153', 'P', 5029]
Output (English): 8673, 1407, W, 8153