#include<stdio.h>
int main ()
{
	int a,b,i;
	printf("enter range two num ");
	scanf ("%di%d",&a,&b);

	for(i=1; i<=(b/2);i++)
	{
		
		while((%i==0) && (i<=a && i>=b))
		i++;
		printf("%d",i);
	}
	return 0;
}