Task: Program Execution
Input (English): R, x, 483, 7223, 4885, p, 9957, 2337, 2157, 6807, 6311, b, e, Z, 5515, 3939, 3771, I, X, 125, s
Output (English): 1, 2, 6, 12, 13, 14, 18, 19, 21