Problem: In mathematics, a subsequence is a sequence that can be derived from another sequence by deleting some elements without changing the order of the remaining elements. For example, the sequence BDF is a subsequence of ABCDEF. A substring of a string is a continuous subsequence of the string. For example, BCD is a substring of ABCDEF.

You are given two strings s1, s2 and another string called virus. Your task is to find the longest common subsequence of s1 and s2, such that it doesn't contain virus as a substring.

Input

The input contains three strings in three separate lines: s1, s2 and virus (1 ≤ |s1|, |s2|, |virus| ≤ 100). Each string consists only of uppercase English letters.

Output

Output the longest common subsequence of s1 and s2 without virus as a substring. If there are multiple answers, any of them will be accepted. 

If there is no valid common subsequence, output 0.

Examples

Input

AJKEQSLOBSROFGZ
OVGURWZLWVLUXTH
OZ


Output

ORZ


Input

AA
A
A


Output

0

Solution (in CPP):

Solution:
#include <bits/stdc++.h>
using namespace std;
const int mod = 1e9 + 7;
template <typename T>
void write(T x) {
  if (x < 0) {
    putchar('-');
    x = -x;
  }
  if (x > 9) {
    write(x / 10);
  }
  putchar(x % 10 + '0');
}
template <typename T>
void read(T &x) {
  x = 0;
  char ch = getchar();
  long long f = 1;
  while (!isdigit(ch)) {
    if (ch == '-') f *= -1;
    ch = getchar();
  }
  while (isdigit(ch)) {
    x = x * 10 + ch - 48;
    ch = getchar();
  }
  x *= f;
}
int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); }
int lcm(int a, int b) { return a / gcd(a, b) * b; };
long long ksm(long long a, long long n) {
  long long ans = 1;
  while (n) {
    if (n & 1) ans = ((ans % mod) * (a % mod)) % mod;
    a = ((a % mod) * (a % mod)) % mod;
    n >>= 1;
  }
  return ans % mod;
}
const int maxn = 120;
char s1[maxn], s2[maxn], v[maxn];
int len1, len2, lenv;
int dp[maxn][maxn][maxn];
int NEXT[maxn];
struct Path {
  int a, b, c;
  Path(int aa = 0, int bb = 0, int cc = 0) { a = aa, b = bb, c = cc; }
} path[maxn][maxn][maxn];
inline void get_next() {
  int j = 0;
  for (register int i = 1; i <= lenv - 1; ++i) {
    while (j && v[i] != v[j]) j = NEXT[j - 1];
    if (v[j] == v[i]) j++;
    NEXT[i] = j;
  }
}
Path st;
inline bool solve1() {
  for (register int i = 1; i <= len1; ++i) {
    for (register int j = 1; j <= len2; ++j) {
      for (register int k = 0; k <= lenv - 1; ++k) {
        if (dp[i][j][k] < dp[i - 1][j][k]) {
          dp[i][j][k] = dp[i - 1][j][k];
          path[i][j][k] = Path(i - 1, j, k);
        }
        if (dp[i][j][k] < dp[i][j - 1][k]) {
          dp[i][j][k] = dp[i][j - 1][k];
          path[i][j][k] = Path(i, j - 1, k);
        }
        if (s1[i] == s2[j]) {
          int w = k;
          while (w && s1[i] != v[w]) w = NEXT[w - 1];
          if (s1[i] == v[w])
            w++;
          else
            w = 0;
          if (dp[i][j][w] < dp[i - 1][j - 1][k] + 1) {
            dp[i][j][w] = dp[i - 1][j - 1][k] + 1;
            path[i][j][w] = Path(i - 1, j - 1, k);
          }
        }
      }
    }
  }
  int ma = 0;
  for (register int i = 0; i <= lenv - 1; ++i) {
    if (ma < dp[len1][len2][i]) {
      ma = dp[len1][len2][i];
      st = Path(len1, len2, i);
    }
  }
  return ma != 0;
}
void print_path(int a, int b, int c) {
  if (a == 0 && b == 0 && c == 0) return;
  Path nxt = path[a][b][c];
  print_path(nxt.a, nxt.b, nxt.c);
  if (dp[a][b][c] == dp[nxt.a][nxt.b][nxt.c] + 1) {
    putchar(s1[a]);
  }
}
int main() {
  scanf("%s", s1 + 1);
  len1 = strlen(s1 + 1);
  scanf("%s", s2 + 1);
  len2 = strlen(s2 + 1);
  scanf("%s", v);
  lenv = strlen(v);
  get_next();
  if (!solve1()) {
    puts("0");
  } else {
    print_path(st.a, st.b, st.c);
  }
  return 0;
}