#include <stdio.h>

int main()
{
	int i,j,countery=0; // *i is our number, *countery is counter that counts how many prime number that we have between 500 and 599
	
	
	for(i=500;i<=599;i++)
	{
		int counterx=0;
		for(j=7;j<i;j++)
		{
			if(i%j==0)      // If our number (which is i) can be divided into any number therefore we can say that i is not prime 
			{				// If i is not prime then increase counterx until it reaches to itself
				counterx++; 
			}
		}
		if(counterx==0)     // This is the part that shows the prime number 
		{					// If counterx did not increase before so it means that it is prime number
			countery++;
		}
	}
	
	printf("We have %d prime numbers which is starting with 5 ",countery);
}