Task: Program Execution
Input (English): 5127 7781 437 E T I 1511 3989 J 5979 1111 L 1385 P J p 3091 6835 4183 O 953 T 835 2417 l X m j B X 6083 t E 4335 7577 Z 5827 6511 y
Output (English): 1, 2, 3, 7, 8, 10, 11, 13, 17, 18, 19, 21, 23, 24, 31, 34, 35, 37, 38