#include<bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)

int main(){
  int N;
  string S;
  cin >> N >> S;
  cout << "UEC";
  for(char x: S){
    if(N == -1)cout << x;
    else if(x == 'c')N = -1;
  }
  cout << endl;
}