#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<iostream>
#include<cmath>
#include<algorithm>
using namespace std;
int main()
{
int n,m,s[109],i,sum;
while(scanf("%d%d",&n,&m)==2)
{
int max=0;
for(i=1;i<=n;i++)
{
scanf("%d",&s[i]);
if(s[i]>max)
{
max=s[i];
}
}
int t=max/m;
if(max%m==0)
t--;
for(i=1;i<=n;i++)
{
s[i]-=m*t;
}
for(i=n;i>0;i--)
{
if(s[i]>0)
{
sum=i;
break;
}
}
if(t==0)
printf("%d\n",n);
else
printf("%d\n",sum);
}
return 0;
}