Task: Program Execution
Input (English): 3903 3235 5581 Z e F 5517 e z A 6541 6435 625 723 I u 2291 6717 2523 6553 2139 u 7797 m j b 6669
Output (English): Z, e, F, e, z, A, I, u, u, m, j, b, 3903, 3235, 5581, 5517, 6541, 6435, 625, 723, 2291, 6717, 2523, 6553, 2139, 7797, 6669