#include <bits/stdc++.h>
using namespace std;
int main(){
    int K;
    
    double count=0;
    cin>>K;
    int sosuu[6] = {2,3,5,7,11,13};
    int gouse[6] = {4,6,8,9,10,12};
    for(int i = 0;i<6;i++){
        for(int j = 0;j<6;j++){
            if((sosuu[i]*gouse[j])==K){
                count++;
            }
        }
    }
    cout<<count/36;
}