#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,i=1,s=0,z,j;
    cin>>n;
    do{
        s+=i;
        i+=2;
    }while(i<=n);
    cout<<s<<" ";
    i=2;
    s=0;
    do{
        s+=i;
        i+=2;
    }while(i<=n);
    cout<<s;
    return 0;
}
/**************************************************************
	Problem: 1091
	User: fuyijun
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:2072 kb
****************************************************************/