#include <stdio.h>
int main(void) {
int n1, n2, count;
int x,y;
//scanf("%d",&x);
//scanf("%d",&y);
x=0x75, y=0x994;
count = 0;
n1 = x/16;
n1 = n1*16 + 8;
n2 = (y-1)/16;
n2 = n2*16+8;
if(n1<x) n1+=16;
if(n2>=y) n2-=16;
if(n2>=n1)
count = (n2-n1)/16;
printf("n1 = %d, ",n1);
printf("n2 = %d, ",n2);
printf("count = %d\n",count);
return 0;
}