???

ykj46 二百五 2023-08-23 16:44:36 2023-08-23 16:44:47 3

#include<iostream>
using namespace std;
int main(){
	int a;
	double c;
	cin>>a;
	c=5.0/9.0*(a-32.0);
	printf("%.3lf",c);
}