import java.io.*;

public class SMS {

	public static void main(String []args) throws IOException {


		FileReader fr = new FileReader("Zeichenkontakte.txt");
		BufferedReader br = new BufferedReader(fr);

		FileWriter fw = new FileWriter("Nummernkontakte.txt");
		BufferedWriter bw = new BufferedWriter(fw);

		try{

			String line;
			char[] c;
			while((line=br.readLine())!=null) {

				c=line.toCharArray();

				for(int i=0; i<line.length();i++) {

					if((c[i]=='a') ||(c[i]=='b') || (c[i]=='c')) {
						bw.write("2");
					}

					if((c[i]=='d') ||(c[i]=='e') || (c[i]=='f')) {
						bw.write("3");
					}
					if((c[i]=='g') ||(c[i]=='h') || (c[i]=='i')) {
						bw.write("4");
					}
					if((c[i]=='j') ||(c[i]=='k') || (c[i]=='l')) {
						bw.write("5");
					}
					if((c[i]=='m') ||(c[i]=='n') || (c[i]=='o')) {
						bw.write("6");
					}
					if((c[i]=='p') ||(c[i]=='q') || (c[i]=='r') || (c[i]=='s')) {
						bw.write("7");
					}
					if((c[i]=='t') ||(c[i]=='u') || (c[i]=='v')) {
						bw.write("8");
					}
					if((c[i]=='w') ||(c[i]=='x') || (c[i]=='y') || (c[i]=='z')) {
						bw.write("9");
					}

					else {
						throw new IllegalTelefonNumberException();
					}
				}//for schleife

			}//while schleife

		}
		catch(FileNotFoundException e){
			System.out.println("Datei nicht gefunden");
		}
		catch(IOException e) {
			System.out.println("Fehler:" +e);
		}
		catch(IllegalTelefonNumberException e) {
			System.out.println("Fehler: "+ e);

		}

		}

}