In each of the following $n$ lines, output $m$ integers $l_{i1}, l_{i2}, \dots, l_{im}$ --- the number of T-shirts of the $i$-th color and $j$-th size that remained.

In each of the following $n$ lines, output $m$ integers $n_{i1}, n_{i2}, \dots, n_{im}$ --- the number of T-shirts of the $i$-th color and $j$-th size that need to be purchased.