#include<iostream> #include<cstdio> //scanf()\printf() #include<cstring> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n,m,ji=0,ou=0; cin>>n>>m; for(int i=n;i<=m;i+=1){ if(i%2==0) ou=ou+i; else ji=ji+i; } cout<<ou<<' '<<ji; return 0; }