import jan.*;

class MyString {

  String string;
  MyString(String string) {
    this.string=string; }

  public void delSub (String subString) {

    String sub1, sub2;

    int subIndex = string.indexOf(subString);
    int subLength = subString.length();
    int strLength = string.length();
    if (subIndex==-1) {
      Biotope.message("No such substring found.");
    }
    else {
      sub1=string.substring(0, subIndex);
      sub2=string.substring(subIndex+subLength);
      string=sub1+sub2;}
  }

  public void repSub (String subString, String newString) {

    String sub1, sub2;
    int subIndex=string.indexOf(subString);
    int subLength=subString.length();
    int strLength = string.length();
    if (subIndex==-1) {
      Biotope.message("No such substring found.");
    }
    else {
      sub1=string.substring(0, subIndex);
      sub2=string.substring(subIndex+subLength);
      string=sub1+newString+sub2;}
  }


  public void insSub(String subString, int pos) {
    String sub1, sub2;

    if (pos<0 || pos > string.length() ) 
      Biotope.message("The position is out of bounds.");
    else {
      sub1=string.substring(0,pos);
      sub2=string.substring(pos);
      string = sub1 + subString+sub2;
    }
  }

}








public class A3P2 extends Biotope implements Executable {

  public static void main (String arguments []) {main ("A3P2", "mode=input,output");}

MyString source;
String sourceStr, oper;

  public void initialize () {
    addDataLine ("abcdefg i xxxx 3");
    message("Insert:  string i string2 index");
    message("Delete:  string d string2");
    message("Replace: string r string2 string3"); 
 
  }

  public void execute () {
    

    sourceStr=readString();
    source=new MyString(sourceStr);
    oper = readString();
    String sub = readString();
    

    switch (oper.charAt(0)) {
    case 'i': int position=readInteger()-1;
      if ((position<0) || (position>sub.length()+4)) { 
        message("Out of bounds"); 
        break;}
      else
      source.insSub(sub, position);
      break;
    case 'd' : source.delSub(sub);
      break;
    case 'r' : String sub2 = readString();
               source.repSub(sub, sub2);
      break;

    default: message("Sorry, this operation is not supported.");}

    writeln(source.string.toString());




  }

}