#include<stdio.h>
main()
{
    float A, B, C,m,f;
        char op, ch,hh,M,W,T,F,Y,N;
        printf("please inout your mother and father's hight\n");
        scanf("%f\n%f", &m, &f);
        printf("you are a men(M) or women(W) ?\n");
        scanf("%c", &op);
        if (op == M)A = (m + f)*0.54;
        if (op == W)A = (f*0.923 + m) / 2;
        printf("do you like PE?   (T or F):\n");
        scanf("%c",&ch);
        if (ch == T)B = A*0.02;
        if (ch == F)B = A;
        printf("do you have a good eat habit? (Y or N):\n");
        scanf("%c", &hh);
        if (hh == Y)C = B*0.015;
        if (hh == N)C = B;
        printf("output:%f", C);
        
}