#include<stdio.h>
int main(){
int age;
 scanf("&d",&age);
 if(age<18)
 {
     printf("Invalid to vote");
     
 }
 else if(age>18 && age==18)
 {
     printf("he is eligible to vote");
     
 }
 else{
     printf("He/she not eligible to vote");
 }
 return 0;
}