#include <stdio.h>
int main()
{
    char sex;
    char sports;
    char diet;
    float myheight;
    float faheight;
    float moheight;
    printf("你是男孩(b)还是女孩(g)?");
    scanf("%ls",&sex);
    printf("平常是否喜欢运动(y/n)?");
    scanf("%ls",&sports);
    printf("是否有良好的饮食习惯(y/n)?");
    scanf("%ls",&diet);
    printf("输入你妈妈的身高：");
    scanf("%f",&moheight);   
    printf("输入你爸爸的身高：");
    scanf("%f",&faheight);
    if(sex=='b'||sex=='B');
    {
        myheight=((faheight+moheight)*0.54);
     }
     if(sex=='g'||sex=='G');
     {
         myheight=((faheight*0.923+moheight)/2);
     }
     if(diet=='y'||diet=='Y');
     {
         myheight=myheight*(1+0.015);
      }
      if(sports=='y'||sports=='Y');
      {
          myheight=myheight*(1+0.02);
      }
    printf("Your future height will be %.2f(cm)\n",myheight);
    return 0;
 }