Task: Program Execution
Input (English): 9797 k x 4731 3815 B 5125 3405 1061 y d W 5387 d y X l i b L 7007 3835 7063 K y 2371 k 1883 B p 9867 4425 Z 9503
Output (English): 1, 4, 5, 7, 8, 9, 13, 21, 22, 23, 26, 28, 31, 32, 34