problema 1071 URI

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int a,b,sum=0,i,j;

    scanf("%d %d",&a,&b);

    if(b < a){
        j = a;
        a = b;
        b = j;
    }

    for(i=a+1;i<b;i++){

        if(i % 2 != 0){
            sum += i;
            //printf("i = %d\n",i);
        }
    }

    printf("%d\n",sum);
    return 0;
}