Task: Program Execution
Input (English): 5597, 7179, 455, 9583, s, T, L, O, 7729, j, D, R, U, 9657, r, 9903, t, e, X, K
Output (English): 5, 6, 7, 8, 10, 11, 12, 13, 15, 17, 18, 19, 20