#include<iostream> #include<cstring> using namespace std; char a[100]; int main(){ gets(a); int len=strlen(a); for(int i=0;i<len;i++){ if((a[i]>='A'&&a[i]<='Z')||(a[i]>='a'&&a[i]<='z')){ if((a[i]>='A'&&a[i]<='Y')||(a[i]>='a'&&a[i]<='y')){ a[i]=a[i]+1; } else{ a[i]=a[i]-25; } } } for(int i=0;i<len;i++){ if(a[i]>='A'&&a[i]<='Z'){ a[i]=a[i]+32; break; } if(a[i]>='a'&&a[i]<='z'){ a[i]=a[i]-32; } } cout<<a; }