#include<bits/stdc++.h> using namespace std; int main (){ int sum1=0; int sum=0; int x; cin>>x; int y; cin>>y; for(int i=x;i<=y;i++){ if(i%2==0){ sum1=sum1+i; } } cout<<sum1; for(int i=x;i<=y;i++){ if(i%2!=0){ sum=sum+i; } } cout<<sum; return 0; }