#include <stdio.h>

int main() {
    float a, b;
    while (scanf("%f %f", &b, &a) != EOF) { 
        if((b/(a*a))>=18.5&&(b/(a*a))<=23.9){
            printf("Normal\n");
        }
        else
        printf("Abnormal\n");
    }
    return 0;
}