Task: Program Execution
Input (English): H, e, 7953, d, 7619, E, F, G, 1061, 4817, 8507, D, R, 355, e, Y, S, e, v, A, 4247, 533, u, A
Output (English): 3, 5, 9, 10, 11, 14, 21, 22