#include <iostream>

using namespace std;

int main()
{
    int n,k,x,max=-1,maxi,f=0;
    cin>> n >> k;
    bool talalt = false;
    for(int i = 1; i <= n && !talalt; i++)
    {
        cin>>x;
        if(x>max)
        {
            max = x;
            maxi = i;
            f = 0;
        }
        else f++;
        if(f == k)
            talalt = true;
    }
    cout << maxi << endl;
    return 0;
}