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;
long long N = 1e9 + 7;
long long i, j, x, y, z, m, n, k, l, r, f, mi = 1e9, ans, x2, y2, nV, t, ma = 0,
                                           sq, dp[1011010], a[1011010], x3, y3,
                                           x4, y4;
string s;
vector<long long> v[101000];
int main() {
  cin >> n >> m;
  for (i = 1; i <= n; i++) {
    cin >> s;
    x = 0;
    if (s == "?")
      x = 1e18;
    else if (s[0] == '-') {
      y = 1;
      for (j = s.size() - 1; j > 0; j--) {
        x += y * (s[j] - '0');
        y *= 10;
      }
      x *= -1;
    } else {
      y = 1;
      for (j = s.size() - 1; j >= 0; j--) {
        x += y * (s[j] - '0');
        y *= 10;
      }
    }
    v[i % m].push_back(x);
  }
  for (i = 0; i < m; i++) {
    x = -1;
    y = -1e18;
    v[i].push_back(1e17);
    for (j = 0; j < v[i].size(); j++) {
      if (v[i][j] == 1e18) continue;
      if (j != 0 && v[i][j - 1] == 1e18) {
        l = y;
        r = v[i][j];
        if (r - l < j - x) {
          f = -1;
          break;
        }
        if (l <= 0 && r <= 0) {
          t = r - 1;
          for (k = j - 1; k > x; k--) {
            v[i][k] = t;
            t--;
          }
        } else if (l >= 0 && r >= 0) {
          t = l + 1;
          for (k = x + 1; k <= j - 1; k++) {
            v[i][k] = t;
            t++;
          }
        } else {
          int l2 = -(j - x - 1) / 2, r2 = (j - x - 2) / 2;
          if (l2 < l - 1) {
            t = l - 1 - l2;
            l2 += t;
            r2 += t;
          }
          if (r2 > r - 1) {
            t = r2 - (r - 1);
            l2 -= t;
            r2 -= t;
          }
          for (k = x + 1; k < j; k++) {
            v[i][k] = l2;
            l2++;
          }
        }
      } else if (j != 0) {
        if (v[i][j] - v[i][j - 1] <= 0) {
          f = -1;
          break;
        }
      }
      x = j;
      y = v[i][j];
    }
  }
  if (f == -1) {
    cout << "Incorrect sequence";
  } else {
    for (i = 1; i <= n; i++) {
      a[i] += v[i % m][(i - 1) / m];
      a[i] += a[i - 1];
      if (i > m + 1 && a[i] - a[i - m - 1] < a[i - 1] - a[i - m - 2]) {
        cout << v[i % m][(i - 1) / m];
        return 0;
      }
    }
    for (i = 1; i <= n; i++) {
      cout << v[i % m][(i - 1) / m] << ' ';
    }
  }
}
