import sys

input = sys.stdin.readline
L, K = map(int, input().split())
S = [ord(c) - ord("a") for c in input().strip()]
T = [ord(c) - ord("a") for c in input().strip()]
a = list(map(int, input().split()))
a_sum = sum(a)
MOD = 998244353
a_sum_inv = pow(a_sum, MOD - 2, MOD)
for i in range(26):
    a[i] = a[i] * a_sum_inv % MOD
d = [[0 for _ in range(2 * L - 1)] for _ in range(L)]
d[0][L - 1] = 1
x, y = 0, 0
for _ in range(K):
    dd = [[0 for _ in range(2 * L - 1)] for _ in range(L)]
    for c in range(26):
        for i in range(L):
            for j in range(2 * L - 1):
                if d[i][j] == 0:
                    continue
                ad = d[i][j] * a[c] % MOD
                xb, yb = S[i] == c, T[(i + j - L + 1) % L] == c
                if xb and yb:
                    dd[(i + 1) % L][j] += ad
                elif xb:
                    if j == 0:
                        x += ad
                    else:
                        dd[(i + 1) % L][j - 1] += ad
                elif yb:
                    if j == 2 * L - 2:
                        y += ad
                    else:
                        dd[i][j + 1] += ad
                else:
                    dd[i][j] += ad
    for i in range(L):
        for j in range(2 * L - 1):
            d[i][j] = dd[i][j] % MOD
print(x % MOD, y % MOD)