Task: Program Execution
Input (English): 2515, O, 4657, 6143, e, y, a, y, 3549, q, 973, 4535, t, X, 5035, T, 9837, 2271, w, 5605, t, t, 8437
Output (English): O, e, y, a, y, q, t, X, T, w, t, t, 2515, 4657, 6143, 3549, 973, 4535, 5035, 9837, 2271, 5605, 8437