Toph-Count the Odds

#include<stdio.h>
int main()
{
   int m,n,count=0;
   scanf("%d %d",&m,&n);
   if(n%2==0 && m%2==0)
   {
       count = ((n-m)/2);
   }
   else
   count=((n-m)/2)+1;
   printf("%d\n",count);
   return 0;
}