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

signed main(int argc,char* argv[]){
  registerValidation(argc, argv);
  int N = inf.readInt(1, 200000, "N");
  inf.readSpace();
  int X = inf.readInt(1, 1<<18, "X");
  inf.readSpace();
  int Y = inf.readInt(1, 1<<18, "Y");
  inf.readEoln();
  for(int i = 0; i < X; i++){
    inf.readInt(0, (1<<18) - 1, "A");
    if(i != X - 1)inf.readSpace();
    else inf.readEoln();
  }
  for(int i = 0; i < Y; i++){
    inf.readInt(0, (1<<18) - 1, "B");
    if(i != Y - 1)inf.readSpace();
    else inf.readEoln();
  }
  inf.readEof();
  return 0;
}