int m,h;
scanf("%d %d",&m,&h);
double i;
i=m/(h*h);

if(i<18.5){
    printf("Underweight");
}
if(i>=18.5&&i<24){
    printf("Normal");
}
if(i>=24){
    printf("%.6g\n",i);
    printf("Overweight");
}
return 0;

}