#include<stdio.h>
int main(){
    int age;
    scanf("%d",&age);
    if(age>=18)
    {
        printf("Eligible\n",age);
    }
    else if(age<=18)
    {
        printf("Not eligible\n",age);
    }
    else
    {
        printf("Invalid input");
    }
    return 0;
}