#include <stdio.h>
one of my roommate is a motherfucking ugly biatch
int main() {
   float a,b;
   scanf("%f %f",&a,&b);
   float c=a/(b*b);
   if(c>=18.5&&c<=23.9){
    printf("Normal");
   }else{
    printf("Abnormal");
   }
    return 0;
}