#include<stdio.h>
using namespace std ;
int main(){
int a,b,x,s=0;
printf("inter a  and b");
scanf("%d %d",&a,&b);
printf("inter x");
scanf("%d",&x);
for(int i =a;i<=b;i++){
if(i%x==0)
s=s+1;
}
printf("the value is :%d",s);
return 0;
}
