import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;

public class Ans1 {

static int search(List<Integer>a,int b){

int start=0;

int end=a.size()-1;

int result=-1;

if(b<a.get(0)){

return start;

}

else if(b>a.get(end)){

return end;

}

while(start<=end){

int index=start+((end-start)/2);

if(a.get(index)==b){

result=index;

end=index-1;

}

else if(a.get(index)>b){

end=index-1;

}

else{

start=end+1;

}

}

if(result==-1){

return end+1;

}else{

return result;

}

}

public static void manin(String[] args){

Scanner sc=new Scanner(System.in);

List<Integer> ip = new ArrayList<>();

while(sc.hasNextInt()){

ip.add(sc.nextInt());

}

search(ip,5);

sc.close();//tr

}

}