Task: Program Execution
Input (English): 1907, 6579, 8913, 8123, 8819, 1555, 7545, 2593, k, 4105, L, 5809, C, 4789, t, W, 7669, F, e
Output (English): 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 17