1 999 1 5 1 999 3 999 2 2 1 999 0 0 1 5 3 7 0 999 1 999 3 99 0 0 0 0 0 0 0 0 0 0 0 0 4 999 2 2 0 0 1 1 1 999 1 999 3 7 5 7 2 999 1 3 4 10 2 99 2 4 3 99 1 1 2 4 2 999