#include <stdio.h> int main() { int weight = 0; int height = 0; while(scanf("%d %d\n", &weight, &height) != EOF) { // getchar(); if(weight > 0 && height > 0) { float height1 = height / 100.0; float bmi = weight / (height1 * height1); if(bmi >= 23.9 && bmi <= 27.9) { printf("Overweight\n"); } else if(bmi >= 18.5 && bmi <= 23.9) { printf("Normal\n"); } else if(bmi < 18.5) { printf("Underweight\n"); } else { printf("Obese\n"); } } } return 0; }