Task: Program Execution
Input (English): 1, 7, ['3097', 'P', 'd', '8879', 'S', 'd', 'B', 'L', '5237', '9009', 'D', 'b', '9471', '567', 'M', '4831', 'O', '7087', '1739', 'T', 'Q']
Output (English): 3097, L, M