#include <bits/stdc++.h>
using namespace std;
long long choose(long long n, long long k) {
  if (k == 0) return 1;
  return (n * choose(n - 1, k - 1)) / k;
}
long long gcd(long long a, long long b) {
  if (!a) return b;
  return gcd(b % a, a);
}
long long gcdExtended(long long a, long long b, long long *x, long long *y) {
  if (a == 0) {
    *x = 0, *y = 1;
    return b;
  }
  long long x1, y1;
  long long gcd = gcdExtended(b % a, a, &x1, &y1);
  *x = y1 - (b / a) * x1;
  *y = x1;
  return gcd;
}
long long modInv(long long a, long long m) {
  long long x, y;
  long long g = gcdExtended(a, m, &x, &y);
  long long res = (x % m + m) % m;
  return res;
}
long long mpower(long long x, long long y, long long p) {
  long long res = 1;
  x = x % p;
  while (y > 0) {
    if (y & 1) {
      res = (res * x) % p;
    }
    y = y >> 1;
    x = (x * x) % p;
  }
  return res;
}
long long power(long long x, long long y) {
  long long res = 1;
  while (y > 0) {
    if (y & 1) res = res * x;
    y = y >> 1;
    x = x * x;
  }
  return res;
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  long long n, p;
  cin >> n >> p;
  string s;
  cin >> s;
  bool flag = 0;
  if (n <= p) {
    cout << "No";
    return 0;
  } else {
    for (long long i = 0; i < n - p; i++) {
      if (s[i] != s[i + p]) {
        flag = 1;
        if (s[i] == '.' && s[i + p] == '0') {
          s[i] = '1';
        }
        if (s[i] == '.' && s[i + p] == '1') {
          s[i] = '0';
        }
        if (s[i] == '1' && s[i + p] == '.') {
          s[i + p] = '0';
        }
        if (s[i] == '0' && s[i + p] == '.') {
          s[i + p] = '1';
        }
      }
      if (s[i] == s[i + p] && s[i] == '.') {
        flag = 1;
        s[i] = '1';
        s[i + p] = '0';
      }
    }
  }
  if (flag) {
    for (long long i = 0; i < s.size(); i++) {
      if (s[i] == '.') {
        s[i] = '0';
      }
    }
    bool flag2 = 0;
    for (long long i = 0; i < n - p; i++) {
      if (s[i] != s[i + p]) flag2 = 1;
    }
    if (flag2) {
      cout << s;
    } else {
      cout << "No";
      return 0;
    }
  } else {
    cout << "No";
    return 0;
  }
}
