#include<iostream>
using namespace std;

int main(){
    int a,b,c,x,y,z;
    for(int x=a;x<=b;x++){
        if(0=c%x){
            y=z;
            z=y+1;}
        else{
           y=z;
           z=y;}
        }
    cout<<z<<endl;
    return 0;
}
