#include <bits/stdc++.h>
using namespace std;
#define L(i, l, r) for(ll i = (l); i < (r); i++)
#define R(i, l, r) for(ll i = (l); i > (r); i--)
#define all(x) (x).begin(), (x).end()
#define sz(x) (ll)((x).size())
using ll = long long;
using vl = vector<ll>;
using vvl = vector<vector<ll>>;
using pl = pair<ll, ll>;

int main() {
  ll n;
  string s;
  cin >> n >> s;
  
  string t;
  L(i, 0, n){
    if(s[i] == 'c') t = s.substr(i + 1, n + 1);
  }
  cout << "UEC" + t <<endl;
}