Task: Program Execution
Input (English): M, s, G, I, 2037, 4533, A, 919, m, 7969, 8755, 1723, s, U, 3793, m, 729, 3023, f, M, 4383, 7235, 2199, z
Output (English): 5, 6, 8, 10, 11, 12, 15, 17, 18, 21, 22, 23