using System;
 
public class Test
{
	public static void Main()
	{
		Console.WriteLine("Enter Your Degree in 0:100");
double x = int.Parse(Console.ReadLine());
if (x >= 90)
{
    Console.WriteLine("Your grade is : A");
}
else if (x >= 80)
{
    Console.WriteLine("Your grade is : B");
}
else if (x >= 70)
{
    Console.WriteLine("Your grade is : C");
}
else if (x >= 60)
{
    Console.WriteLine("Your grade is : D");
}
else
{
    Console.WriteLine("Your grade is : F");
}
	}
}
 

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OTE=

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