a
z
1 #include<iostream> 2 using namespace std; 3 int main() 4 { 5 char a; 6 cin>>a; 7 if(a=='a') 8 cout<<"z"; 9 else if(a=='z') 10 cout<<"a"; 11 else 12 cout<<char('z'-a+'a'); 13 return 0; 14 }
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