Task: Program Execution
Input (English): z, J, 5679, 4553, l, 8911, 2395, 3105, 1465, 9275, x, w, M, t, 6109, 1913, N, 267, P, 1523, 8625, 9281, P, P
Output (English): 3, 4, 6, 7, 8, 9, 10, 15, 16, 18, 20, 21, 22