/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
Scanner input
=new Scanner
( System.
in); int n=input.nextInt(); //participants
int k=input.nextInt(); // place finisher's
int score[]=new int[n]; //the score earned by the participant
for (int i=0;i<n;i++)
score[i]=input.nextInt();
int a=score[k-1] ,count =0 ;
for (int i=0;i<n;i++)
{
if(score[i]>= a && a!=0 )
count++;
}
if (count != 0 )
}
}
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