import java.io.BufferedReader;
import java.io.InputStreamReader;

class LastChanceGas {
    public static void main(String[] args) throws java.io.IOException {
		    int TankCap,Gage,MPG;
		    System.out.println("Tank Capacity");
		    BufferedReader TankCapin = new BufferedReader(new InputStreamReader(System.in));
		    TankCap = Integer.parseInt(TankCapin.readLine());
		    
		    System.out.println("Gage Reading");
                    BufferedReader Gagein = new BufferedReader(new InputStreamReader(System.in));
		    Gage = Integer.parseInt(Gagein.readLine());
		    
		    System.out.println("MPG");
		    BufferedReader MPGin = new BufferedReader(new InputStreamReader(System.in));
		    MPG = Integer.parseInt(MPGin.readLine());
		    
		    int ToteGas = (TankCap*(Gage/100))*MPG;
		    
			    if (ToteGas < 200) {
			    System.out.println("Get Gas");
			    } else {
			    System.out.println("safe to travel");
			    }

                    
                    
                    

    }
}

//By msglm; Licensed under the AGPL v3