Will convert Fahrenheit to Celsius, and absolute temperature

#include<stdio.h>
int main()
{
	double f,c;
	printf("请输入华氏温度：");
	scanf("%lf",&f);
	c = (f-32.0)*5/9.0;
	printf("摄氏温度=%lf,绝对温度=%lf\n",c,c+273.16);
}