Task: Program Execution
Input (English): u s 2939 t R 8153 2831 Z C H 6323 u 431 N 7025 55 3987 F K V T Y 8915 v 4945 3675 Y C 395 2123 1439 E
Output (English): 21, 19, 2939, 20, 18, 8153, 2831, 26, 3, 8, 6323, 21, 431, 14, 7025, 55, 3987, 6, 11, 22, 20, 25, 8915, 22, 4945, 3675, 25, 3, 395, 2123, 1439, 5