#include <iostream>
using namespace std;
int main() {
string s;
cin>>s;
for(int i = 0; i < s.size(); ++i){
s[i]-=3;
if(s[i]<='a'){
s[i]='z'-('a'-s[i])+1;
}
s[i]+='A'-'a';
cout<<int(s[i])%10;
}
return 0;
}
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