#include<bits/stdc++.h> using namespace std; int main(){ /** int n=0; for(int a=1,b=2;a<=10 and b<=11;a++ and b++){ n+=a*b; } cout<<n; long long sum=1,n; cin>>n; for(int a=1;a<n;a++){ sum+=sum*a; } cout<<sum; int sum=0,s=0,n; for(int b=1;b<=7;b++){ cin>>n; s+=n; } sum=s/7; cout<<sum; int sum=0,b; cin>>sum; for(int a=1;a<7;a++){ cin>>b; if(sum<b)sum=b; } cout<<sum*sum<<endl<<sum*sum*sum;**/ /** long long n,q=0,w=0; cin>>n; for(int a=1,b=2;a<=n and b<=n;a+=2 , b+=2){ q+=b; w+=a; } cout<<w<<" "<<q;**/ int n,q=0,w=0; cin>>n; for(int i=1;i<=n;i++){ if(i%2==0){ w+=i; }else{ q+=i; } } cout<<q<<" "<<w; return 0; }