#include<bits/stdc++.h>
using namespace std;
int main(){

  string str;
  
  getline(cin,str);

  for(int i=0;i<str.size();i++){

    if(str[i]=='p'&&str[i+1]=='e'&&str[i+2]=='a'&&str[i+3]=='c'&&str[i+4]=='h'){
      str[i] = 'a';
      str[i+1] = 'p';
      str[i+2] = 'p';
      str[i+3] = 'l';
      str[i+4] = 'e';
    }
    else if(str[i]=='a'&&str[i+1]=='p'&&str[i+2]=='p'&&str[i+3]=='l'&&str[i+4]=='e'){
      str[i] = 'p';
      str[i+1] = 'e';
      str[i+2] = 'a';
      str[i+3] = 'c';
      str[i+4] = 'h';
    }
  }

  cout << str << endl;
  return (0);
}