Task: Program Execution
Input (English): 19, 21, ['Y', 'z', '1873', 'b', '9077', '135', 'g', '8747', '6757', 'K', 'T', '4405', '3971', '4147', 'g', '8915', 'z', '8873', '3507', '2335', '7429', '3325', 'h', '3187', 'R', 'R']
Output (English): 742923353507