include [HTML_REMOVED]
using namespace std;
int main(){
string a;
getline(cin,a);
for(int i = 0; a[i]; i++)
{
if(a[i]>='a' && a[i]<='z') a[i]= 'a' + (a[i]-'a'+1)%26;
if(a[i]>='A' && a[i]<='Z') a[i]= 'A' + (a[i]-'A'+1)%26;
}
for(int i = 0; a[i]; i++)
cout<<a[i];
return 0;
}