#include <math.h>
#include <stdio.h>
int main() {
float height, weight, BMI= 0;
scanf("%f %f",&weight,&height);
BMI = weight / (pow(height, 2));
if (BMI >= 18.5 && BMI <= 23.9) {
printf("Normal");
}
else {
printf("Abnormal");
}
return 0;
}

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