#28189: c簡短答案
jeremydingeric@gmail.com
(164253)
#include <stdio.h>
void main(){
int n;
scanf("%d",&n);
printf("%.3f",(n-32)*5.0/9);
}
#include <stdio.h>
void main(){
int n;
scanf("%d",&n);
printf("%.3f",(n-32)*5.0/9);
}