import java.text.NumberFormat;

import java.util.*;

public class Main {

public static void main(String[] args) {

Scanner kb = new Scanner(System.in);

while(kb.hasNext()) {

double r = kb.nextDouble();

double R = (r * 9) / 5 + 32;

//Remove Extra decimal 0

NumberFormat nf = NumberFormat.getInstance();

System.out.printf(nf.format(R));

}

}

}

#0: 12% AC (0.2s, 2.9MB)

#1: 15% AC (0.2s, 2.9MB)

#2: 15% WA (line:1)

#3: 15% AC (0.2s, 2.9MB)

#4: 15% AC (0.2s, 2.9MB)

#5: 15% AC (0.2s, 2.9MB)

#6: 13% AC (0.2s, 2.9MB)