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