Task: Program Execution
Input (English): 7507, k, 6287, 1783, L, 4263, r, S, E, 789, I, x, g, u, 2149, G, 9657, b, W, 197, 4753, z, r, J
Output (English): 7507, 11, 6287, 1783, 12, 4263, 18, 19, 5, 789, 9, 24, 7, 21, 2149, 7, 9657, 2, 23, 197, 4753, 26, 18, 10