#include <stdio.h>
int main () {
    double foot;
    double inch;    
    printf("请分别输入身高的英尺和英寸，"
    "如输入\"5 7\"表示5英尺7英寸:");
    scanf("%lf %lf", &foot, &inch);
    printf("身高是%f米。\n", 
        (foot + inch / 12) * 0.3084); 
    return 0;
}