#include <stdio.h>
int main() {
    int a, b;
    double bmi;
    
    scanf("%d %d", &a, &b);
    
    double height = (double)a / 100.0;
    bmi = (double)b / (height * height);
    
    printf("BMI: %.1f\n", bmi);
    
    if (bmi < 18.5) {
        printf("やせすぎ\n");
    } else if (bmi < 25.0) {
        printf("標準体型\n");
    } else if (bmi < 35.0) {
        printf("太りぎみ\n");
    } else {
        printf("肥満\n");
    }
    
    return 0;
}