#include<iostream> #include<cstring> #include<cstdio> using namespace std; int main(){ char a[80]; int len,i; cin.getline(a,80); len = strlen(a); for(i = 0;i<len;i++){ if(a[i]=='Z'||a[i]=='z') a[i]-= 25; else if(a[i] >= 'A' && a[i]<'Z') a[i]+= 1; else if(a[i]>= 'a' && a[i]<'z') a[i] += 1; } for(i = 0;i < len;i++) cout << a[i]; cout << endl; return 0; }