Task: Program Execution
Input (English): 4247, 1237, 437, E, 9453, r, 9851, 5289, w, d, 4467, o, t, m, I, v
Output (English): 4247, 1237, 437, 5, 9453, 18, 9851, 5289, 23, 4, 4467, 15, 20, 13, 9, 22