L,K=map(int,input().split())
s=list(input())
for i in range(L):
  s[i]=ord(s[i])-ord("a")
t=list(input())
for i in range(L):
  t[i]=ord(t[i])-ord("a")
a=list(map(int,input().split()))
M=998244353
A=sum(a)
iA=pow(A,M-2,M)
X=10**10
w1=0
w2=0
q=[[0]*(2*L+1) for i in range(L)]
q[0][0]=1
import gc
for _ in range(K):
  nq=[[0]*(2*L+1) for i in range(L)]
  for i in range(L):
    for l in range(-L+1,L):
      j=(i+l)%L
      if s[i]==t[j]:
        nq[(i+1)%L][l]+=q[i][l]*a[s[i]]*iA
        nq[i][l]+=q[i][l]*(A-a[s[i]])*iA
      else:
        nq[(i+1)%L][l+1]+=q[i][l]*a[s[i]]*iA
        nq[i][l-1]+=q[i][l]*a[t[j]]*iA
        nq[i][l]+=q[i][l]*(A-a[s[i]]-a[t[j]])*iA
  q=nq
  for i in range(L):
    w1+=q[i][L]
    w2+=q[i][-L]
print(w1%M,w2%M)