행렬 곱

$N \times M$ 행렬 $A$와 $M \times K$ 행렬 $B$가 주어진다. $C = AB \bmod 998244353$를 출력한다.

제약 조건

• $1 \leq N,M,K \leq 1024$
• $0 \leq a_{ij},b_{ij} < 998244353$

$N\ M\ K$
$a_{11}$ $a_{12}$ ... $a_{1M}$
$a_{21}$ $a_{22}$ ... $a_{2M}$
:
$a_{N1}$ $a_{N2}$ ... $a_{NM}$
$b_{11}$ $b_{12}$ ... $b_{1K}$
$b_{21}$ $b_{22}$ ... $b_{2K}$
:
$b_{M1}$ $b_{M2}$ ... $b_{MK}$

$c_{11}$ $c_{12}$ ... $c_{1K}$
$c_{21}$ $c_{22}$ ... $c_{2K}$
:
$c_{N1}$ $c_{N2}$ ... $c_{NK}$