Task: Program Execution
Input (English): 7845, 4845, p, c, 2673, 4575, g, 7233, 6315, l, 6599, A, J, X, 1461, o, T, Y, s, e, 2389, 2251
Output (English): 1, 2, 5, 6, 8, 9, 11, 15, 21, 22