Task: Program Execution
Input (English): c, 9127, a, 2557, u, 1035, 6293, 1261, y, u, 9909, 1693, 6571, t, q, 5003, 3647, 3825, u, q, s, 1309, a, 3131
Output (English): a, c, q, s, t, u, y