#include<iostream> using namespace std; int main() { int n,a,b,c,ca,d,e,eb,f,fa; cin>>n; if(n>=0&&n<=999999) { f=n%10; e=n/10%10; d=n/100%10; c=n/1000%10; b=n/10000%10; a=n/100000; ca=(a+b+c)%10; eb=(209+e)/10%10; fa=(a+b+c+d+e+f)%10; a=a+65; if(b%2==0) b/=2; c=ca; e=eb; f=fa; cout<<(char)a<<b<<c<<d<<e<<f; } return 0; }