mathematical knowledge

#include <iostream>
#include <string.h>
#include <algorithm>

using namespace std;
int main()
{
	int t;
	long long m,n;
    cin>>n>>m;
    
    	cout<<(m-n%m)*(n/m)*(n/m-1)/2+(n%m)*(n/m+1)*(n/m)/2<<" "<<(n-m+1)*(n-m)/2<<endl;
    
  
	return 0;
}