import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] sa = br.readLine().split(" ");
		int l = Integer.parseInt(sa[0]);
		int k = Integer.parseInt(sa[1]);
		char[] s = br.readLine().toCharArray();
		char[] t = br.readLine().toCharArray();
		sa = br.readLine().split(" ");
		int[] a = new int[26];
		int sum = 0;
		for (int i = 0; i < 26; i++) {
			a[i] = Integer.parseInt(sa[i]);
			sum += a[i];
		}
		br.close();

		int mod = 998244353;
		long sm = modinv(sum, mod);
		long[] b = new long[26];
		for (int i = 0; i < 26; i++) {
			b[i] = a[i] * sm % mod;
		}
		long[] b1 = new long[26];
		for (int i = 0; i < 26; i++) {
			b1[i] = (sum - a[i]) * sm % mod;
		}
		long[][] b2 = new long[26][26];
		for (int i = 0; i < 26; i++) {
			for (int j = 0; j < 26; j++) {
				b2[i][j] = (sum - a[i] - a[j]) * sm % mod;
			}
		}

		int[][] dp = new int[k + 1][k + 1];
		dp[0][0] = 1;
		long x = 0;
		long y = 0;
		for (int z = 0; z < k; z++) {
			int[][] wk = new int[k + 1][k + 1];
			for (int i = 0; i <= z; i++) {
				for (int j = 0; j <= z; j++) {
					int p1 = i % l;
					int p2 = j % l;
					if (s[p1] == t[p2]) {
						int c = s[p1] - 'a';
						wk[i + 1][j + 1] += dp[i][j] * b[c] % mod;
						wk[i + 1][j + 1] %= mod;
						wk[i][j] += dp[i][j] * b1[c] % mod;
						wk[i][j] %= mod;
					} else {
						int c1 = s[p1] - 'a';
						wk[i + 1][j] += dp[i][j] * b[c1] % mod;
						wk[i + 1][j] %= mod;
						int c2 = t[p2] - 'a';
						wk[i][j + 1] += dp[i][j] * b[c2] % mod;
						wk[i][j + 1] %= mod;
						wk[i][j] += dp[i][j] * b2[c1][c2] % mod;
						wk[i][j] %= mod;
					}
				}
			}
			for (int i = 0; i <= z + 1 && i + l <= k; i++) {
				x += wk[i + l][i];
				wk[i + l][i] = 0;
				y += wk[i][i + l];
				wk[i][i + l] = 0;
			}
			x %= mod;
			y %= mod;
			dp = wk;
		}
		System.out.println(x + " " + y);
	}

	static long modinv(long a, int m) {
		long b = m;
		long u = 1;
		long v = 0;
		long tmp = 0;

		while (b > 0) {
			long t = a / b;
			a -= t * b;
			tmp = a;
			a = b;
			b = tmp;

			u -= t * v;
			tmp = u;
			u = v;
			v = tmp;
		}

		u %= m;
		if (u < 0) u += m;
		return u;
	}
}