100 1
100 50 99 49 98 48 97 47 96 46 95 45 94 44 93 43 92 42 91 41 90 40 89 39 88 38 87 37 86 36 85 35 84 34 83 33 82 32 81 31 80 30 79 29 78 28 77 27 76 26 75 25 74 24 73 23 72 22 71 21 70 20 69 19 68 18 67 17 66 16 65 15 64 14 63 13 62 12 61 11 60 10 59 9 58 8 57 7 56 6 55 5 54 4 53 3 52 2 51 1
9 8 99 93
 2 9
1 2
1 1 1 1
1 1 1 2
1 2 1 2
1 1 2 1
1 1 2 2
1 2 2 2
2 1 2 1
2 1 2 2
2 2 2 2
 10 10
6 5 7 4 8 3 9 2 10 1
8 8 8 8
2 1 2 7
8 4 8 4
3 9 3 9
7 7 7 7
2 10 2 10
6 8 9 8
1 4 1 4
1 5 4 5
8 10 8 10
 10 10
1 10 2 9 3 8 4 7 5 6
4 3 7 10
3 6 8 7
3 2 6 4
1 1 2 8
3 8 10 9
7 3 8 9
4 5 5 9
2 5 6 7
2 5 6 7
1 7 6 10
 10 5
5 10 4 9 3 8 2 7 1 6
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
 10 10
10 9 8 7 6 5 4 3 2 1
8 8 8 8
2 1 2 7
8 4 8 4
3 9 3 9
7 7 7 7
2 10 2 10
6 8 9 8
1 4 1 4
1 5 4 5
8 10 8 10
 7 7
1 2 3 6 7 4 5
3 2 4 6
3 2 5 4
3 6 7 7
1 1 4 4
2 2 7 6
1 2 6 2
1 2 6 7
 10 10
6 1 7 2 8 3 9 4 10 5
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
 10 10
5 1 6 2 8 3 4 10 9 7
8 1 8 1
1 7 2 7
4 3 8 7
3 7 9 7
7 6 7 7
2 3 10 6
6 4 8 7
1 6 4 7
1 2 5 4
8 5 10 10
 10 10
5 6 4 7 3 8 2 9 1 10
8 8 8 8
2 1 2 7
8 4 8 4
3 9 3 9
7 7 7 7
2 10 2 10
6 8 9 8
1 4 1 4
1 5 4 5
8 10 8 10
 10 10
10 5 9 4 8 3 7 2 6 1
8 1 8 1
1 7 2 7
4 3 8 7
3 7 9 7
7 6 7 7
2 3 10 6
6 4 8 7
1 6 4 7
1 2 5 4
8 5 10 10
 10 10
7 5 1 6 10 3 4 8 9 2
4 3 7 10
3 6 8 7
3 2 6 4
1 1 2 8
3 8 10 9
7 3 8 9
4 5 5 9
2 5 6 7
2 5 6 7
1 7 6 10
 10 10
1 2 3 4 5 6 7 8 9 10
8 8 8 8
2 1 2 7
8 4 8 4
3 9 3 9
7 7 7 7
2 10 2 10
6 8 9 8
1 4 1 4
1 5 4 5
8 10 8 10
 10 10
5 1 6 2 8 3 4 10 9 7
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
 10 10
9 8 3 4 5 6 7 2 1 10
8 1 8 1
1 7 2 7
4 3 8 7
3 7 9 7
7 6 7 7
2 3 10 6
6 4 8 7
1 6 4 7
1 2 5 4
8 5 10 10
 10 10
10 1 9 2 8 3 7 4 6 5
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
1 1 10 10
 10 10
5 1 6 2 8 3 4 10 9 7
9 5 9 5
4 7 4 7
4 8 5 8
9 1 9 4
4 1 4 6
10 9 10 9
3 5 6 5
3 4 10 4
3 2 5 2
7 8 7 8
 6 10
3 6 1 2 5 4
2 6 2 6
2 3 2 5
6 2 6 2
1 5 1 5
3 5 3 5
2 2 2 4
2 4 5 4
5 4 5 4
1 5 6 5
6 2 6 2
 10 10
1 6 2 7 3 8 4 9 5 10
8 8 8 8
2 1 2 7
8 4 8 4
3 9 3 9
7 7 7 7
2 10 2 10
6 8 9 8
1 4 1 4
1 5 4 5
8 10 8 10

                                                            4886
                                                                1
                                                               1
                                                               1
                                                               1
                                                               1
                                                               1
                                                               1
                                                               1
                                                               1
                                                               11
                                                              17
                                                              15
                                                               6
                                                              16
                                                               2
                                                              19
                                                               4
                                                              20
                                                               8
                                                               39
                                                              30
                                                              26
                                                              16
                                                              23
                                                              29
                                                              27
                                                              30
                                                              30
                                                              27
                                                               45
                                                              45
                                                              45
                                                              45
                                                              45
                                                                9
                                                              14
                                                              21
                                                              16
                                                              16
                                                               9
                                                              15
                                                               4
                                                              20
                                                               3
                                                               17
                                                              16
                                                              11
                                                              16
                                                              21
                                                              11
                                                              21
                                                               45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                                3
                                                               8
                                                              37
                                                              27
                                                              21
                                                              38
                                                              29
                                                              21
                                                              23
                                                              24
                                                               16
                                                              17
                                                              12
                                                               6
                                                              16
                                                               2
                                                              23
                                                               4
                                                              20
                                                               8
                                                                8
                                                              10
                                                              38
                                                              26
                                                              21
                                                              38
                                                              31
                                                              20
                                                              21
                                                              19
                                                               38
                                                              30
                                                              25
                                                              17
                                                              24
                                                              28
                                                              29
                                                              32
                                                              32
                                                              25
                                                               23
                                                              17
                                                              12
                                                               6
                                                              27
                                                               2
                                                              23
                                                               7
                                                              24
                                                               8
                                                               45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                                8
                                                              14
                                                              38
                                                              27
                                                              19
                                                              38
                                                              29
                                                              20
                                                              23
                                                              19
                                                               45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                              45
                                                               10
                                                              16
                                                              17
                                                               8
                                                              27
                                                               2
                                                              25
                                                              26
                                                              16
                                                              16
                                                                5
                                                               9
                                                               2
                                                               2
                                                               6
                                                               8
                                                              11
                                                               8
                                                               9
                                                               2
                                                               16
                                                              17
                                                              12
                                                               6
                                                              16
                                                               2
                                                              23
                                                               7
                                                              18
                                                               8

#include <bits/stdc++.h>
using namespace std;
int Gcd(int a, int b) {
  if (b == 0) return a;
  return Gcd(b, a % b);
}
int Lcm(int a, int b) { return a / Gcd(a, b) * b; }
inline long long read() {
  long long f = 1, x = 0;
  char ch = getchar();
  while (ch > '9' || ch < '0') {
    if (ch == '-') f = -f;
    ch = getchar();
  }
  while (ch >= '0' && ch <= '9') {
    x = x * 10 + ch - '0';
    ch = getchar();
  }
  return x * f;
}
const int maxn = 2e6;
const int inf = 0x3f3f3f3f;
struct node {
  int d, f, t, c;
  bool operator<(const node& rhs) const { return d < rhs.d; }
} p[maxn];
vector<node> res[2];
long long sum[maxn], val[maxn];
long long sum2[maxn], val2[maxn];
int ok1[maxn], ok2[maxn];
int main() {
  int n = read(), m = read(), k = read();
  for (int i = 1; i <= m; i++) {
    p[i].d = read();
    p[i].f = read();
    p[i].t = read();
    p[i].c = read();
    if (p[i].t == 0) {
      res[0].push_back(p[i]);
    } else {
      res[1].push_back(p[i]);
    }
  }
  sort(res[0].begin(), res[0].end());
  sort(res[1].begin(), res[1].end());
  int cur1 = 0, cur2 = (int)res[1].size() - 1;
  for (int i = 1; i <= 1e6; i++) {
    val[i] = val2[i] = inf;
  }
  sum[0] = 1ll * inf * n;
  int cnt1 = 0, cnt2 = 0;
  for (int i = 1; i <= 1e6; i++) {
    sum[i] = sum[i - 1];
    while (cur1 < res[0].size() && i >= res[0][cur1].d) {
      int st = res[0][cur1].f;
      if (res[0][cur1].c < val[st]) {
        if (val[st] == inf) cnt1++;
        sum[i] -= val[st];
        val[st] = res[0][cur1].c;
        sum[i] += val[st];
      }
      cur1++;
    }
    if (cnt1 == n) ok1[i] = 1;
  }
  sum2[1000001] = 1ll * inf * n;
  for (int i = 1e6; i >= 1; i--) {
    sum2[i] = sum2[i + 1];
    while (cur2 >= 0 && i <= res[1][cur2].d) {
      int st = res[1][cur2].t;
      if (res[1][cur2].c < val2[st]) {
        if (val2[st] == inf) cnt2++;
        sum2[i] -= val2[st];
        val2[st] = res[1][cur2].c;
        sum2[i] += val2[st];
      }
      cur2--;
    }
    if (cnt2 == n) ok2[i] = 1;
  }
  long long ans = LLONG_MAX;
  for (int st = 1; st <= 1e6; st++) {
    int ed = st + k + 1;
    if (ok1[st] && ok2[ed]) {
      ans = min(ans, sum[st] + sum2[ed]);
    }
  }
  if (ans == LLONG_MAX)
    cout << -1 << endl;
  else
    cout << ans << endl;
  return 0;
}
