check 1 3 5 1 check 1 0 4 2 check 1 9 9 1 check 1 8 0 2 check 1 7 1 2 check 1 3 1 2 check 1 0 6 2 check 1 1 2 2 check 1 2 4 1 check 1 0 2 2