//for finding prime number between two given numbers
#include<stdio.h>
#include<conio.h>
void main()
{
int num2,i,num,j;
clrscr();
scanf("%d%d",&num2,&j);
for(num=num2;num<=j;num++)
{
int c=0;
for(i=2;i<num;i++)
{
if(num%i==0)
c=1;
}
if(num==1)
continue;
c==1?printf("%d is composite\n",num):printf("%d is prime \n",num);
}
getch();
}