import sys
input = sys.stdin.readline

R,C=list(map(int,input().split()))
input()
P=[list(map(int,input().split())) for i in range(R)]
input()
S=[list(map(int,input().split())) for i in range(R)]

DP=[0]*(1<<C)
DP[0]=1
ANS=0

for i in range(R):
    NDP=[0]*(1<<C)

    for j in range(1<<C):
        prob=1
        P1=[0]*C
        
        for k in range(C):
            if j & (1<<k) != 0:
                prob=prob*P[i][k]/100
                P1[k]=4-S[i][k]
            else:
                prob=prob*(100-P[i][k])/100

        #print(prob)

        if prob==0:
            continue

        for k in range(1<<C):
            prob2=DP[k]

            if prob2==0:
                continue
            #print("!",k,prob2)
            P2=P1[:]
            Q=[]
            UP=[0]*C
            for kk in range(C):
                if k & (1<<kk) != 0:
                    P2[kk]+=1

                if P2[kk]>=4:
                    UP[kk]=1
                    Q.append(kk)

            while Q:
                x=Q.pop()
                for z in [x-1,x+1]:
                    if 0<=z<C and UP[z]==0:
                        P2[z]+=1

                        if P2[z]==4:
                            UP[z]=1
                            Q.append(z)

            bi=0
            count=0
            for jj in range(C):
                if UP[jj]==1:
                    bi+=(1<<jj)
                    count+=1
                

            NDP[bi]+=prob*prob2
            ANS+=count*prob*prob2

            #print(UP,NDP)
    DP=NDP
    #print(DP,ANS)

print(ANS)