b757. 頸美椰子樹 | From: [124.9.162.51] | 發表日期 : 2017-06-25 17:17

#include <iostream>
using namespace std;

int main() {
    double r;
    while ( cin >> r ) {
        cout << r * 9 / 5 + 32 << endl;
    }
}