#include <bits/stdc++.h>
using namespace std;

int main ()
{
    int count = 20, i=0, word=0 ;
    string s;
    getline(cin, s);
    for(i = 0; i < s.length()-1; i++)
    {
        if (s[i] >= 'A' && s[i] <= 'Z' || s[i] >= 'a' && s[i] <= 'z')
             word++;
        else
        {
            if (word < count)
                count = word;
            word = 0;
        }
    }

    for(i = 0; i < s.length(); i++)
    {
        if (s[i] >= 'A' && s[i] <= 'Z')
            s[i] = (((s[i] - 'A' - count + 26) % 26) + 'A');
        if (s[i] >= 'a' && s[i] <= 'z')
            s[i] = (((s[i] - 'a' - count + 26) % 26) + 'a');
    }

    for(i = 0; i < s.length(); i++)
    cout << s[i];

    return 0;
}