View Code of Problem 1090

#include<cstdio>
#include<iostream>
#include<algorithm>
#include<cstring>
#include<cmath>
using namespace std;

int main()
{
	int n;
	scanf("%d",&n);
	n=n-10;
	if(n>11)
	{
		printf("0\n");
	}
	else if(n==11)
	{
		printf("4\n");
	}
	else if(n==10)
	{
		printf("15\n");
	}
	else if(n<10&&n>=1)
	{
		printf("4\n");
	}
	else if(n<=0)
	{
		printf("0\n");
	}
	
	return 0;
}