Task: Program Execution
Input (English): 5773, 4471, 523, R, 7263, A, o, 319, 5913, b, 7339, w, z, 351, 5209, e, c, T, 1593, 9425, k, z
Output (English): 4, 6, 7, 10, 12, 13, 16, 17, 18, 21, 22