题解 | #取近似值#

import java.io.*;

public class Main {

public static void main(String [] args) throws Exception{
    BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
    String str = bf.readLine();
    String [] arr = str.split("\\.");
    int num = Integer.parseInt(arr[0]);
    if(arr.length>1 && arr[1].toCharArray()[0]>='5'){
       num+=1;
    }
    System.out.println(num);
}

}