Help me in solving SYNC5 problem

My issue

My code

using System;

namespace MyApplication
{
  class Program
  {
    static void Main(string[] args)
    {
      Console._________( ( 3 + 4 ) + " " + ( 2 + 1) ); // replace the _ with correct value
    }
  }
}

Learning course: Learn C#
Problem Link: CodeChef: Practical coding for everyone