#include<iostream> using namespace std; int main(){ int n,m,ji=0,ou=0; cin>>n>>m; if(n%2!=0){ for(int i=n;i<=m;i+=2) ji+=i; for(int i=n+1;i<=m;i+=2) ou+=i; } if(n%2==0){ for(int i=n+1;i<=m;i+=2) ji+=i; for(int i=n;i<=m;i+=2) ou+=i; } cout<<ou<<" "<<ji<<endl; return 0; }