Task: Program Execution
Input (English): 4299, z, f, 9509, 1001, 7217, 4887, 2075, 7093, q, h, s, b, 9729, x, f, 6701, i, 5837, 6445, e, b, 15, o
Output (English): b, e, f, h, i, o, q, s, x, z