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