Task: Program Execution
Input (English): Y, 3101, 9483, T, z, u, W, 6501, m, Y, 495, 663, S, L, 251, U
Output (English): 25, 3101, 9483, 20, 26, 21, 23, 6501, 13, 25, 495, 663, 19, 12, 251, 21