# include<cstdio> # include<iostream> using namespace std; int main(){ int a,b,c,d,e,f,a1,b1,c1,d1,e1,f1; scanf("%1d%1d%1d%1d%1d%1d",&a,&b,&c,&d,&e,&f); a1=a; b1=b; c1=c; d1=d; e1=e; f1=f; a=int(a+65); if(b%2==0){ b=b/2; } c=(a1+b1+c1)%10; e=(108+101+e)/10%10; f=(a1+b1+c1+d1+e1+f1)%10; cout<<char(a)<<b<<c<<d<<e<<f; return 0; }