insert(0,-7) insert(1,8) insert(1,7) insert(2,5) get(2) insert(4,-1) insert(4,0) get(6) remove(3) get(3) get(3) get(3) get(3) get(4) remove(1) get(1) get(4) get(2) get(3) insert(3,-5) insert(3,6) insert(0,8) insert(5,-7) remove(0) insert(6,8) get(4) insert(0,-7) insert(6,6) insert(7,-6) get(5) get(7) insert(2,2) remove(2) insert(11,-7) remove(7) get(2) remove(1) insert(7,-1) remove(1) insert(6,2) insert(11,10) insert(3,-1) insert(2,3) remove(1) remove(1) get(3) insert(3,-9) get(12) remove(5) remove(6)