Task: Program Execution
Input (English): 6475 5647 1355 x V 7023 a 4331 8167 1981 9577 K F L O 9513 d H 201 h 9709 35 z l Y 5349 u E 5721 6263
Output (English): x, V, a, K, F, L, O, d, H, h, z, l, Y, u, E, 6475, 5647, 1355, 7023, 4331, 8167, 1981, 9577, 9513, 201, 9709, 35, 5349, 5721, 6263