import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;


public class T_1823 {

    public static final double R = 8.314;

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        Map<Character, Double> mp = new HashMap<Character, Double>();
        for (int i = 1; i <=3; i++) {
            String s = in.nextLine().trim();
            mp.put(s.charAt(0), (double)Integer.parseInt(s.charAt(4)+""));
        }
        if(mp.get('T')!=null) {
            if(mp.get('T')==0) {
                System.out.println("error");
                return;
            }
        }
        if(mp.get('V')!=null) {
            if(mp.get('V')==0) {
                System.out.println("error");
                return;
            }
        }
        //System.out.println(mp);
        if(!mp.containsKey('p')) {
            double p = mp.get('n')*mp.get('T')*R/mp.get('V');
            System.out.print("p = ");
            if(p==0) System.out.println(0);
            else System.out.printf("%.6f",p);
        }
        if(!mp.containsKey('n')) {
            double n = mp.get('p')*mp.get('V')/R*mp.get('T');
            System.out.print("n = ");
            if(n==0) System.out.print(0);
            else System.out.printf("%.6f",n);
        }
        if(!mp.containsKey('T')) {
            if(mp.get('n')==0 && mp.get('p')!=0) {
                System.out.println("error");
            } else {
                if(mp.get('n')==0 && mp.get('p')==0) {
                    System.out.println("undefined");
                } else {
                    double T = mp.get('p')*mp.get('V')/R*mp.get('n');
                    if(T==0) {
                        System.out.println("error");
                    } else {
                        System.out.print("T = ");
                        System.out.printf("%.6f",T);
                    }
                }
            }
        }
        if(!mp.containsKey('V')) {
            if(mp.get('p')==0 && mp.get('n')!=0) {
                System.out.println("error");
            } else {
                if(mp.get('n')==0 && mp.get('p')==0) {
                    System.out.println("undefined");
                } else {
                    double V = mp.get('n')*R*mp.get('T')/mp.get('p');
                    if(V==0) {
                        System.out.println("error");
                    } else {
                        System.out.print("V = ");
                        System.out.printf("%.6f",V);
                    }
                }
            }
        }
    }
}