题解 | #四舍五入#

import java.util.Scanner;

public class Main { public static void main(String[] args) {

    Scanner scanner = new Scanner( System.in );
    float d = scanner.nextFloat();
    int i = (int)d;
    if ( d - i >= 0.5 ){
        i = i + 1;
    }
    System.out.print( i );
}

}