Task: Program Execution
Input (English): 4, ['u', '9531', 'r', 't', 's', 'r', '5299', '4857', 'R', 'd', '6691', '2209', 'i', '3613', 'W', 'I']
Output (English): s, r, 5299, 4857, R, d, 6691, 2209, i, 3613, W, I