/*import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner (System.in);
int n=sc.nextInt();
int i,k,sum=0;
for(i=1;i<=n;i++)
{
k=sc.nextInt();
sum=sum+k;
}
System.out.println(sum);
}
}
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner (System.in);
int n=in.nextInt();
int cnt=0,i;
for(i=1;i<=n;i++)
{
if(i%10==1)
{
cnt++;
}
}
System.out.println(cnt);
}
}
import java.util.*;
public class Main{
public static void main(String[] args) {
Scanner in = new Scanner (System.in);
int i,n,k,sum=0;
n=in.nextInt();
for(i=1;i<=n;i++) {
k=in.nextInt();
if(k%5==0) {
sum=sum+k;
}
}
System.out.println(sum);
}
}*/