7 2
-10 0 ? 1 ? 2 10
 1 1
0
 5 1
-3 -2 -1 0 1
 7 1
-4 ? ? ? ? ? 2
 17 1
? -13 ? ? ? -3 ? ? ? ? ? 10 ? ? ? ? 100
 3 1
-5 ? 0
 7 2
-10 0 ? 1 6 2 ?
 3 1
-3 ? -2
 6 1
-1 ? 1 2 3 4
 1 1
?
 9 2
-10 0 ? 1 ? 2 ? 3 ?
 10 2
3 ? 5 ? 7 ? 9 ? 11 ?
 9 2
? ? -10 ? ? ? 10 ? ?
 9 3
? ? ? ? ? ? ? ? ?
 7 2
? ? 10 ? ? ? ?
 5 1
1000000000 ? ? ? ?
 7 3
1 ? -1000000000 ? 100 ? 2
 7 2
? ? -10 ? ? ? ?
 39 3
-5 1 -13 ? 2 -12 ? 3 -11 -2 4 -10 ? 5 -9 0 6 -8 ? 7 -7 ? 8 -6 5 9 -5 ? 10 -4 ? 11 -3 ? 12 -2 10 13 -1
 7 2
? ? 10 ? -10 ? ?
 7 1
-2 ? ? ? ? ? 4
 7 2
-10 0 0 1 ? 2 ?
 9 2
-10 0 ? 1 -6 2 ? 3 ?
 7 3
1 ? -1000000000 ? 100 ? 3
 9 2
-10 0 ? 1 ? 2 ? 3 0
 9 2
10 0 ? 1 ? 2 ? 3 ?
 3 1
-1 ? 1
 10 1
-2 ? ? ? ? ? ? 5 ? 10
 5 2
? ? -1000000000 ? ?
 2 1
-1000000000 1000000000
 7 2
-10 0 ? 1 -6 2 ?
 5 4
-1 ? ? ? 2
 7 2
10 0 ? 1 ? 2 ?
 7 2
-10 0 ? 1 ? 2 0
 7 2
-10 0 ? 1 ? 2 ?
 7 2
? ? -10 ? 10 ? ?
 6 1
-3 ? ? ? ? 3
 9 2
-10 0 ? 1 ? 2 ? 3 10
 3 1
4 ? 5
 9 3
-5 0 -1 ? ? ? 0 5 1
 7 1
-3 ? ? ? ? ? 3

-10 0 -1 1 0 2 10
 0
 -3 -2 -1 0 1
 -4 -3 -2 -1 0 1 2
 -14 -13 -6 -5 -4 -3 -2 -1 0 1 2 10 11 12 13 14 100
 -5 -1 0
 -10 0 0 1 6 2 7
 Incorrect sequence
 -1 0 1 2 3 4
 0
 -10 0 -2 1 -1 2 0 3 1
 3 -2 5 -1 7 0 9 1 11 2
 -11 -2 -10 -1 0 0 10 1 11
 -1 -1 -1 0 0 0 1 1 1
 0 -1 10 0 11 1 12
 1000000000 1000000001 1000000002 1000000003 1000000004
 Incorrect sequence
 -11 -1 -10 0 -1 1 0
 -5 1 -13 -4 2 -12 -3 3 -11 -2 4 -10 -1 5 -9 0 6 -8 1 7 -7 2 8 -6 5 9 -5 6 10 -4 7 11 -3 8 12 -2 10 13 -1
 Incorrect sequence
 -2 -1 0 1 2 3 4
 -10 0 0 1 1 2 2
 -10 0 -7 1 -6 2 -1 3 0
 1 0 -1000000000 2 100 0 3
 -10 0 -3 1 -2 2 -1 3 0
 10 0 11 1 12 2 13 3 14
 -1 0 1
 -2 -1 0 1 2 3 4 5 6 10
 -1000000001 -1 -1000000000 0 0
 -1000000000 1000000000
 -10 0 -7 1 -6 2 0
 -1 0 0 0 2
 10 0 11 1 12 2 13
 -10 0 -2 1 -1 2 0
 -10 0 -1 1 0 2 1
 -11 -1 -10 0 10 1 11
 -3 -2 -1 0 1 3
 -10 0 -1 1 0 2 1 3 10
 Incorrect sequence
 -5 0 -1 -1 1 0 0 5 1
 -3 -2 -1 0 1 2 3 

#include <bits/stdc++.h>
using namespace std;
const long long maxn = 1e5 + 500;
const long long inf = -1e15;
long long kk;
long long a[maxn];
vector<long long> khon[maxn];
long long sss(string s) {
  if (s[0] != '-') {
    long long ans = 0;
    for (long long i = 0; i < s.size(); i++) {
      ans *= 10;
      ans += s[i] - '0';
    }
    return ans;
  }
  long long ans = 0;
  for (long long i = 1; i < s.size(); i++) {
    ans *= 10;
    ans += s[i] - '0';
  }
  return -ans;
}
long long g(long long i, long long j) { return kk * j + i; }
long long f(long long v, long long j, long long i) {
  long long m = (j + v) / 2;
  a[g(i, m)] = 0;
  for (long long k = m + 1; k <= j; k++) {
    a[g(i, k)] = 1 + a[g(i, k - 1)];
  }
  for (long long k = m - 1; k >= v; k--) {
    a[g(i, k)] = a[g(i, k + 1)] - 1;
  }
}
void ggg(long long v, long long i, long long j) {
  f(v + 1, j - 1, i);
  if (v >= 0)
    if (a[g(i, v)] >= a[g(i, v + 1)]) {
      long long p = a[g(i, v)] - a[g(i, v + 1)] + 1;
      for (long long k = v + 1; k < j; k++) {
        a[g(i, k)] += p;
      }
    }
  if (j < khon[i].size()) {
    if (a[g(i, j - 1)] >= a[g(i, j)]) {
      long long p = a[g(i, j - 1)] - a[g(i, j)] + 1;
      for (long long k = v + 1; k < j; k++) {
        a[g(i, k)] -= p;
      }
    }
  }
}
int main() {
  long long n;
  string c;
  cin >> n >> kk;
  for (long long i = 0; i < n; i++) {
    cin >> c;
    if (c == "?") {
      a[i] = inf;
    } else {
      a[i] = sss(c);
    }
    khon[i % kk].push_back(a[i]);
  }
  for (long long i = 0; i < n - kk; i++) {
    if (a[i] >= a[i + kk] && a[i] != inf && a[i + kk] != inf) {
      cout << "Incorrect sequence";
      return 0;
    }
  }
  long long v = -1;
  for (long long i = 0; i < kk; i++) {
    long long v = -1;
    for (long long j = 0; j < khon[i].size(); j++) {
      if (khon[i][j] != inf) {
        if (v + 1 != j) {
          ggg(v, i, j);
        }
        v = j;
      }
    }
    if (v + 1 != khon[i].size()) {
      ggg(v, i, khon[i].size());
    }
  }
  for (long long i = 0; i < n - kk; i++) {
    if (a[i] >= a[i + kk]) {
      cout << "Incorrect sequence";
      return 0;
    }
  }
  for (long long i = 0; i < n; i++) {
    cout << a[i] << ' ';
  }
}
