#include<stdio.h>
void main()
{
	int n,a,b,c,i=0;
	scanf("%d",&n);
	for(a=1;a<10*n/8;a++){
		for(b=1;b<(10*n-8*a)/2;b++){
			c=10*n-8*a-2*b;
			if(a*8+b*2+c==10*n&&a+b+c>30){
				i++;
				
			}
				
		}
	}
	printf("%d",i);
}
/**************************************************************
	Problem: 1024
	User: admin
	Language: C
	Result: Accepted
	Time:11 ms
	Memory:1144 kb
****************************************************************/