using System;
class Prime
{
	static void Main()
	{
		int sum = 1;
		Console.Write(2 + " ");
		for(int m=3;m<=100;m+=2)
		{
			bool a = true;
			if(m%2==0)
			{
				a = false;
			}
			else
			{
				for(int i=3;i<m/2;i+=2)
				{
					if(m%i==0)
					{
						a = false;
						break;
					}
				}
			}  
			if(a==true)
			{
				sum++;
				Console.Write(m.ToString()+" ");
			}
		}
		Console.WriteLine();
		Console.WriteLine("total:" + sum);
	}
}