#include<stdio.h>
#include<conio.h>

void main()
{
int no,counter=0;
clrscr();

printf("Enter Integer to Find Out All Prime Numbers Upto That Number\n");
scanf("%d", &no);

      for(int a=2; a<=no; a++)
       {
	for(int i=2; i<=a; i++)
	{
	if(a%i == 0)
	 counter++;
	}
	if(counter==1)
	printf("%d is Prime Number\n", a);
	else
	printf("%d is not Prime Number\n",a);
	counter=0;
       }

getch();
}