Task: Program Execution
Input (English): 4213, H, 5847, 8945, 3303, 8199, 5595, 9681, 2239, J, 1931, o, C, g, 6401, 8781, s, A, 191, 6661, u, 6269, P
Output (English): 1, 3, 4, 5, 6, 7, 8, 9, 11, 15, 16, 19, 20, 22