Task: Program Execution
Input (English): X, k, 7307, 8111, w, t, 973, q, q, 7355, 9717, Z, i, G, 5149, 4991, 6263, 8417, 8193, j, 5017
Output (English): 3, 4, 7, 10, 11, 15, 16, 17, 18, 19, 21