#include<bits/stdc++.h> using namespace std; int main(){ int a; cin>>a; int z=a/100000; int x=a/10000%10; int c=a/1000%10; int v=a/100%10; int b=a/10%10; int n=a%10; char z1=65+z; cout<<z1; int x1=x; if(x1%2==0){ x1/=2; } cout<<x1; int c1=z+x+c; cout<<c1; cout<<v; int b1=209+b; int b2=b1/10%10; cout<<b2; cout<<(z+x+c+v+b+n)%10<<endl; return 0; }