#include<bits/stdc++.h> using namespace std; int a[1000000]; int main(){ int m,n,s1=0,s2=0; cin>>m>>n; for(int i=m;i<=n;i++){ if(i%2==0) s1+=i; if(i%2==1) s2+=i; } cout<<s1<<" "<<s2; return 0; }