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#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
long long n,k,v[3000000],i,j,fr[1000000];
int cmp(int a,int b)
{
if(v[a]<v[b])
return true;
swap(fr[a],fr[b]);
return false;
}
int main()
{
f>>n>>k;
for(i=1;i<=n;i++)
f>>v[i],fr[v[i]]=i;
sort(v+1,v+n+1,cmp);
g<<--fr[v[k]];
}