Task: Program Execution
Input (English): e, i, 4977, 6041, 8667, 6021, J, 3001, 8917, 7863, 3605, j, 59, O, 8157, 279, 7711, 105, B, 9077, 8941, W, 1179
Output (English): 3, 4, 5, 6, 8, 9, 10, 11, 13, 15, 16, 17, 18, 20, 21, 23