Task: Program Execution
Input (English): u 573 J 1931 8527 2045 1439 3147 O q S 2139 4379 V D 9739 H C a 747 m 8227 6823 f 5685 y d z 9639 x u
Output (English): 21, 573, 10, 1931, 8527, 2045, 1439, 3147, 15, 17, 19, 2139, 4379, 22, 4, 9739, 8, 3, 1, 747, 13, 8227, 6823, 6, 5685, 25, 4, 26, 9639, 24, 21