Task: Program Execution
Input (English): W, T, 1257, 5853, z, 3493, 4989, 3935, t, J, y, 2243, c, o, V, 7369, s, i, 9921, o, 8479
Output (English): 3, 4, 6, 7, 8, 12, 16, 19, 21