Task: Program Execution
Input (English): 3509, 2225, 5093, 1811, X, 5881, 2725, M, 1353, 3413, 4515, K, S, r, r, 9857, N, K
Output (English): 1, 2, 3, 4, 6, 7, 9, 10, 11, 16