#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n,m,sum=0,mus=0,f=0; cin>>n>>m; if(n%2==0) f=1; else f=0; if(f==1){ for(int i=n;i<=m;i+=2){ sum+=i; } for(int i=n+1;i<=m;i+=2) mus+=i; } else{ for(int i=n+1;i<=m;i+=2){ sum+=i; } for(int i=n;i<=m;i+=2){ mus+=i; } } cout<<sum<<" "<<mus; return 0; }