#include <stdio.h>

int main()
{
    int num,i,flag=0;
    printf("enter any integer\n");
    scanf("%d",&num);
    for(i=2;i<num;i++)
    {
        if(num/i==0)
        {
            flag=1;
            break;
        }
    }
    if(flag==1)
    printf("it is not prime\n");
    else
    printf("if is a prime\n");
    return 0;
}