Task: Program Execution
Input (English): 5893, 6631, 7699, 3259, H, 8855, X, x, O, e, 161, k, 8879, t, L, 8931, e, G, 4037, R, 8141, 3675
Output (English): H, X, x, O, e, k, t, L, e, G, R