Task: Program Execution
Input (English): 1, 7, ['s', '3881', 'K', '729', 'v', 'T', 'Z', '8219', 'S', 'S', '2171', '9421', '9175', '8317', 'o', '749', '8359', 'U', '1659']
Output (English): s, 8219, o