#include<iostream>
#include<string>
using namespace std;

int main(){
    int c;
    string str;
    
    getline(cin,str);
    c = str.size();
    for(int i = 0 ; i < c ; i++)
      {
        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';
	  }
        else 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';
	  }
      }
    cout << str << endl;
    return 0;
}