Task: Program Execution
Input (English): 2783, 6523, 4741, o, 249, 689, 9365, C, 2451, X, 7401, 4569, 3737, N, 8537, 5159, 1097, 4007, 7873, 217, S, T, 2543, Y
Output (English): o, C, X, N, S, T, Y