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

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[])
{
 	char mystring[] = "hel1lo35";
 	int i;

 	for (i=0;mystring[i];i++)
 	{
	  if(!isalpha(mystring[i]))
	  {
	  	printf("%c",mystring[i]);
	  }
	}

	return 0;
}