#include<iostream> #include<cstdio> using namespace std; int main(){ int a,b,c,d,e,f,B,C,D,E,F; char A; scanf("%1d%1d%1d%1d%1d%1d",&a,&b,&c,&d,&e,&f); A=a+65; if(b%2==0) B=b/2; else B=b; C=(a+b+c)%10; D=d; E=('l'+'e'+e)%100/10; F=(a+b+c+d+e+f)%10; cout<<A<<B<<C<<D<<E<<F<<endl; return 0; }