#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using vll = vector<long long>;
#define rep(i, n) for (ll i = 0; i < ll(n); i++)

int main() {
  ll n;
  cin >> n;
  string s;
  cin >> s;
  rep(i, n) {
    if (s[i] == 'c') {
      cout << "UEC";
      cout << s.substr(i + 1, n - i - 1);
      cout << "\n";
      return 0;
    }
  }
}