給定兩矩陣𝐴,𝐵，請輸出兩矩陣相乘的結果。測資中的兩矩陣必可相乘。

a=[]
a=[int(x) for x in input().split()]
ina=[]
for i in range(a[0]):
        temp=[int(x) for x in input().split()]
        ina.append(temp)

inb=[]
for i in range(a[2]):
        temp=[int(x) for x in input().split()]
        inb.append(temp)

#先建立儲存相乘結果的串列 outm
outm=[[0]*a[0] for _ in range(a[3])]

for i in range(a[0]):
    for j in range(a[3]):
        outm[i][j]=0
        for k in range(a[1]):
            outm[i][j]=outm[i][j]+ina[i][k]*inb[k][j]


print(outm)