#include<stdio.h>
int main()
{
    int age;
    scanf("%d",&age);
    if(age<=18,age)
    {
        printf("Eligible %d\n");
    }
    if (age > 17)
    {
        printf("Not eligible %d\n",age);
    }
    else{
        printf("Invalid input");
    }
    
    
    return 0;
}