Task: Program Execution
Input (English): 4415, 5949, 7255, p, k, 5703, c, B, 8433, B, 7515, 7189, l, D, d, 1549, 9705, j, 6317
Output (English): 1, 2, 3, 6, 9, 11, 12, 16, 17, 19