using System;
public class Program
{
public static void Main()
string input = " Chau Hue Man ";
input = input.Trim();
int count = 1;
for (int i = 1; i < input.Length; i++)
if (input[i] == ' ' && input[i - 1] != ' ')
count++;
Console.WriteLine("Số từ là: " + count);
}