import java.util.Scanner;
public class Main
{
public static void main(String[] args) {
Scanner sc = new Scanner(System.in) ;
while (sc.hasNextInt()){
int x = sc.nextInt() ;
int step = 0 ;
int cur = 0 ;
int bs = 1 ;
while (cur != x){
step++ ;
if(cur > x ){
if(cur-bs>=x){
cur = cur-bs ; //向左跳
}
else{
cur = cur+bs ; //向右跳
}
}else{
if(cur+bs <= x){
cur = cur+bs ; //向右跳
}
else
cur = cur-bs ; //向左跳
}
bs++ ;
}
System.out.println(step);
}
}
}
我忘记过了多少了, 但是很少,不知道该怎么改了...