Task: Program Execution
Input (English): 2, 4, ['b', '673', '9867', '3503', '7333', 's', 'J', 'm', '3129', '3487', '8857', '7571', '7009', '8359', 'S', '5633', 'R', '8721', 'K', '8503', 'v', '4413']
Output (English): 67398673503