import java.util.Scanner;

//设计一个方法,
//将一个小于2147483647的double类型变量
//以截断取整方式转化为int类型
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double d = sc.nextDouble();
        System.out.println(typeConversion(d));
    }

    public static int typeConversion(double d) {
        return (int) d;
    }
}