Task: Program Execution
Input (English): 6, 12, ['633', 'c', 'Q', '8721', 'd', '4063', '751', 'a', 'U', 'p', 's', 'S', 'F', 'R', '3617', '5821', 'Z']
Output (English): 4063, 751, a, U, p, s, S