Task: Program Execution
Input (English): a 1429 t A e 9103 5597 U 9789 1593 r j v 3949 B a Z 1161 9177 e i c h r 5337 x 3221 8139 5867
Output (English): 1429, 9103, 5597, 9789, 1593, 3949, 1161, 9177, 5337, 3221, 8139, 5867