Task: Program Execution
Input (English): f, V, 923, j, 2329, v, 511, D, 4259, k, 9141, p, b, y, Z, 9367, Z, C, M, o, 6693, 6755, 4193
Output (English): 1, 2, 4, 6, 8, 10, 12, 13, 14, 15, 17, 18, 19, 20