Task: Program Execution
Input (English): V, f, 1415, 583, K, 4701, 4365, U, 6015, 8737, B, 5113, 8131, h, j, Q, Y, H, X, W, Z
Output (English): 1, 2, 5, 8, 11, 14, 15, 16, 17, 18, 19, 20, 21