Task: Program Execution
Input (English): 3895, 2301, 7449, f, e, 3337, F, u, 5077, 8357, 1845, 4341, N, 4653, M, Z, 4219, h
Output (English): 1, 2, 3, 6, 9, 10, 11, 12, 14, 17