Task: Program Execution
Input (English): 2167, C, 2573, 8667, 7507, 381, w, E, 4453, w, 3199, 4081, K, 2853, 4347, 663, 5899, e, 1703, G, 6305, 5223
Output (English): 2, 7, 8, 10, 13, 18, 20