#include <iostream>
#include <iomanip>
#include <cmath>

using namespace std;

int main(){
     int a,b,c,n,s=0;
     cin>>n;
     for(a=1;a<=n*10/8;a++){
   	      for(b=1;b<=n*10/2;b++){
   	    	   for(c=1;c<=n*10/1;c++){
   	    	   	    if(a*8+b*2+c*1==n*10&&a+b+c>30){
   	    	   	    	  s=s+1;
						  }
				  }
		   }
   }cout<<s<<endl;
}
/**************************************************************
	Problem: 1024
	User: admin
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/