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

public class No494 {
	public static void main(String[] args) {
		try {
			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
			String str = br.readLine();
			Hantei(str);
			
		} catch (IOException e) {
			e.getStackTrace();
		}
	}
	
	public static void Hantei(String s){
		int a = s.indexOf("?");
		switch(a){
		    case 0:
		        System.out.println("y");
		        break;
		        
		    case 1:
		        System.out.println("u");
		        break;
		        
		    case 2:
		        System.out.println("k");
		        break;
		        
		    case 3:
		        System.out.println("i");
		        break;
		        
		    case 4:
		        System.out.println("c");
		        break;
		        
		    case 5:
		        System.out.println("o");
		        break;
		        
		    case 6:
		        System.out.println("d");
		        break;
		        
		    case 7:
		        System.out.println("e");
		        break;
		        
		    case 8:
		        System.out.println("r");
		        break;
		        
		}
		
	}
}