#include<iostream> #include<cstdio> using namespace std; int main(){ int n,m; int sum1=0; int sum2=0; cin>>n>>m; for(int i=n;i<=m;i++) { if(i%2==0) { sum1+=i; } else { sum2+=i; } } cout<<sum1<<" "<<sum2<<endl; return 0; }