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