#include<stdio.h>
void prime(int x)
{
int i,c=0;
if(i=2;i<n;i++)
{
c=c+1;
break;
}
if(c==2)
{
printf("%d is a prime number:",x);
}
else
{
printf("%d not a prime number:",x);
}
}
int main()
{
int n,i;
printf("enter the number:");
scanf("%d",&n);
prime(n);
return 0;
}