Task: Program Execution
Input (English): 6469, G, 3255, 2207, i, S, 8379, W, W, E, J, a, 9247, 1549, 5687, 2405, 6759, z, 1041, I, X, 1177
Output (English): 1, 3, 4, 7, 13, 14, 15, 16, 17, 19, 22