Task: Program Execution
Input (English): I, 9253, C, H, 9063, 4047, e, 2999, E, r, G, X, 6613, 8747, 7573, 6769, r, i, 4223, g, p, 6591, 8913
Output (English): I, C, H, e, E, r, G, X, r, i, g, p