Task: Program Execution
Input (English): 6731 4877 H H 1939 4121 b 3571 D e z g 3441 1319 Z t 9745 6285 769 3719 H 3077 V 8109 j y J 3265 g 3105 5263
Output (English): 3, 4, 7, 9, 10, 11, 12, 15, 16, 21, 23, 25, 26, 27, 29