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#include <iostream>
#include <cmath>
using namespace std;

int main() {
    float weight = 0.0;
    float height = 0.0;
    float BMI = 0.0;
    string health = "Abnormal";

    cin >> weight >> height;

    BMI = weight / pow(height, 2);

    if ((BMI >= 18.5) && (BMI <= 23.9)) {
        health = "Normal";
    }

    cout << health;

    return 0;
}