Task: Program Execution
Input (English): 9491, M, y, I, 2315, g, 5701, S, X, 1737, 645, W, 165, 6517, J, 23, o, 2887, d, B, U, 4183, 5167
Output (English): 9491, 2315, 5701, 1737, 645, 165, 6517, 23, 2887, 4183, 5167