import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
 
public class Main {
 
    public static void main(String[] args) throws IOException {
 
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in, "ISO-8859-1"));        
        OutputStreamWriter cout = new OutputStreamWriter(System.out, "ISO-8859-1");
 
        String input, decoded;
 
        while ( (input = br.readLine()) != null) {
 
        	decoded = "";
 
            for (int i = 0; i < input.length(); i++)	{
 
            	decoded += (char)(input.charAt(i) - 7);
            }
 
            cout.write(decoded + '\n'); 
            cout.flush(); 
        }
    }
}

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