public static void main(String[] args) { String map="0123456789`!@#$%^&*(){}\\<>?"; Scanner in=new Scanner(System.in); while (in.hasNext()){ StringBuffer res=new StringBuffer(); long data=in.nextLong(); long x=0; while (data/27>0){ x=data%27; data=data/27; res.append(map.charAt((int)x)); } res.append(map.charAt((int)data%27)); StringBuffer ans=new StringBuffer(); for (int i=res.length()-1;i>=0;i--){ ans.append(res.charAt(i)); } System.out.println(ans); } }