using System;
using System.Collections.Generic;
namespace ConsoleApplication_C_Sharp
{
class Program
{
static void Main(string[] args)
{
string s = "c# modern programming";
bool b = s.Contains("c#");
Console.WriteLine(b);
string s2 = "programming";
if (s.Contains(s2))
Console.WriteLine("yes");
else
Console.WriteLine("no");
}
}
}
/*
run:
True
yes
*/