#include <stdio.h>
#include <stdlib.h>

int main (void)
{
    char name[20];
    float m, h, bmi;
    printf ("Write name: ");
    scanf ("%s", &name);
    printf("Enter weight and height:\t");
    scanf("%f %f", &m, &h);
    printf("%f %f", m, h);
    bmi=m/(h*h);
    printf("\n\nHello %s! \n\nYour BMI is: %5.2f\n", name, bmi);
    if (bmi<20) printf("\aYour weight is too small\n\n");
       else if (bmi<=25) printf("it's OK\n\n");
               else printf("\aYou have over\n\n");
system ("PAUSE");
    return 0;
}