Task: Program Execution
Input (English): f, 6283, 1181, 8361, d, 2203, G, F, I, O, 3483, 3151, M, s, Y, 8561, a, z, 8657, H, N
Output (English): 6, 6283, 1181, 8361, 4, 2203, 7, 6, 9, 15, 3483, 3151, 13, 19, 25, 8561, 1, 26, 8657, 8, 14