#include<iostream> using namespace std; int main(){ char o=65; int a,b,c,d,e,f; cin>>a; f=a%10; a=a/10; e=a%10; a=a/10; d=a%10; a=a/10; c=a%10; a=a/10; b=a%10; a=a/10; f=(a+b+c+d+e+f)%10; c=(a+b+c)%10; if(b%2==0){ b=b/2; } o=o+a; e=(108+101+e)/10%10; cout<<o<<b<<c<<d<<e<<f; return 0; }