Task: Program Execution
Input (English): 3235, u, 7971, t, i, c, u, 3767, 9865, 7949, n, 1491, t, 1433, E, C, 6249, 4565, 2155, M, S, Y
Output (English): 2, 4, 5, 6, 7, 11, 13, 15, 16, 20, 21, 22