import java.io.*; import java.util.*; import java.util.stream.*; public class Main { static final int MOD = 998244353; public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int q = sc.nextInt(); UnionFindTree uft = new UnionFindTree(n); StringBuilder sb = new StringBuilder(); while(q-- > 0) { HashMap sames = new HashMap<>(); char[] inputs = sc.next().toCharArray(); for (int i = 0; i < n; i++) { if (inputs[i] >= '0' && inputs[i] <= '9') { uft.setNum(i, inputs[i] - '0'); } else if (inputs[i] == '?') { continue; } else { if (sames.containsKey(inputs[i])) { uft.unite(sames.get(inputs[i]), i); } else { sames.put(inputs[i], i); } } } sb.append(uft.sum).append("\n"); } System.out.print(sb); } static class UnionFindTree { int[] parents; int[] nums; long sum; static long BASE = pow(10, MOD - 2); public UnionFindTree(int size) { parents = new int[size]; nums = new int[size]; for (int i = 0; i < size; i++) { parents[i] = i; nums[i] = -1; } sum = pow(10, size); } public int find(int x) { if (x == parents[x]) { return x; } else { return parents[x] = find(parents[x]); } } public boolean same(int x, int y) { return find(x) == find(y); } public void unite(int x, int y) { int xx = find(x); int yy = find(y); if (xx == yy) { return; } if (nums[xx] == -1) { parents[xx] = yy; sum *= BASE; sum %= MOD; } else if (nums[yy] == -1) { parents[yy] = xx; sum *= BASE; sum %= MOD; } else { parents[yy] = xx; if (nums[xx] != nums[yy]) { sum = 0; } } } public void setNum(int x, int v) { int idx = find(x); if (nums[idx] == -1) { nums[idx] = v; sum *= BASE; sum %= MOD; } else if (nums[idx] != v) { sum = 0; } } } static long pow(long x, int p) { if (p == 0) { return 1; } else if (p % 2 == 0) { return pow(x * x % MOD, p / 2); } else { return pow(x, p - 1) * x % MOD; } } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }