#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 n1,m; int sum1=0,sum2=0; cin>>n1>>m; for(int i=n1;i<=m;i++) { if(i%2==0) { sum1=sum1+i; } else { sum2=sum2+i; } } printf("%d %d\n",sum1,sum2); return 0; }