Task: Program Execution
Input (English): 9, ['d', 'v', 'i', 'd', '9781', 'f', '501', 'F', 'j', 's', 't', 'H', 'u', 'h', '501', 'B', 'x', 'U', '3831']
Output (English): s, t, H, u, h, 501, B, x, U, 3831