#22416: c++ ans


Eric7654321 (Dr. Kiwi)


#include<stdio.h>

#include<stdlib.h>

#include<iostream>

 

using namespace std;

 

int main(){

int n=0;

 

while(cin>>n){

 

cout<<n*(n+1)/2<<" "<<n*(n+1)*(n+2)/6<<endl;

}

 

return 0;

}