C++ :

#include <bits/stdc++.h>
using namespace std;
long long a[100010],n,r,s = 0;
int main(){
	cin>>n>>r;
	for(int i = 1;i <= n;i++)
	{
		a[i] = (r % 100) + 1;
		r = (r * 6807 + 2831) % 20170;
	}
	

	sort(a+1,a+n+1);
	
	for(int i = 1;i <= n;i++)
	{
		a[i] = a[i] + a[i-1];
		s = s + a[i];
	} 
	
	cout<<s;
	return 0;
}