Task: Program Execution
Input (English): 261, W, 2259, f, t, 7085, 6005, j, 9339, 1571, e, t, f, L, g, h, 9385, Y, 2649, Z, 8679
Output (English): 2, 4, 5, 8, 11, 12, 13, 14, 15, 16, 18, 20