using System;
using System.Text.RegularExpressions;
public class MyClass {
public static void Main(string[] args)
{
string str = "C# C++ PYTHON C JAVA PHP";
str = Regex.Replace(str, "p", "", RegexOptions.IgnoreCase);
Console.WriteLine(str);
}
}
/*
run:
C# C++ YTHON C JAVA H
*/