#include <stdio.h>
main()
{
 int n=10;
 char yesno[3];
 do
 {
	 printf("\n%s", "Do you want to play by defaut dimensions(10X10)?(yes/no)");
	 scanf("%s", &yesno);
	 if ((yesno!="yes")&&(yesno!="no"))
	 {
	 	printf("\n%s", "Wrong input.Please choose between default dimensions(yes) and custom dimensions(no)");
	 }

 }while ((yesno!="yes") &&  (yesno!="no"));
 if (yesno=="no")
 {
 	do
 	{
	 	printf("\n%s", "Choose your own dimensions");
	 	scanf("%d", &n);
		if (n<5)
		{
			printf("\n%s", "Wrong input.Please choose a number >=5");
		}
	}while(n<5);
 }
 printf("\n%d", n);
 return 0;
}