#include <iostream.h>					//包含头文件
void main()
{
	int number;							//定义整型变量
	cin>>number;
	if(number>10)						//判断是否day10
		cout<<"it's greater than 10";
	else if(number<10&&number>5)		//判断是否小于10但是大于5
		cout<<"it's greater than 5，but less than 10";
	else 
		cout<<"it's less than 5";
}