Task: Program Execution
Input (English): L 7397 8911 2753 9533 x 4181 9025 f 1091 7261 1761 9707 u 9743 K 671 o G 5883 9651 4013 k 8461 E f F
Output (English): L, x, f, u, K, o, G, k, E, f, F