#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <gmp.h>

int main()
{
	int val;		//
	char str[13];		//	Declarations
	mpz_t sum;		//
//--------------------------------------------------------------------
	mpz_init(sum);		//	Initializations
	mpz_set_si(sum,17);	//
//------------------------------------- Here start the "real" program	
	for(val=9;val<2000000;val+=2)
	{
		if(prime(val)==0)
			mpz_add_ui(sum,sum,val);				
	}
	mpz_get_str(str,10,sum);
	printf("\n\t%s\n\n",str);
return 0;
}
int prime(int val)
{
	switch(val)
	{
		case 0:				//
		case 1:return 1;break;		//  I have to specify these special numbers because the 'default' case would interpret them incorrectly!
		case 2:return 0;break;		//  
		default:{
				if(val%2!=0)
				{
					int a=3;
					for(;a<sqrt(val)+1;a+=2)
						if(val%a==0)
							return 1;
				}
				else
					return 1;
				return 0;
		}
	}
}