Task: Program Execution
Input (English): l, U, 4645, c, L, g, 7159, 3781, 363, 1965, I, L, 5885, 5573, 4093, 6121, 7693, d, r
Output (English): 3, 7, 8, 9, 10, 13, 14, 15, 16, 17