#35821: __紀錄
chrisccc1224@gmail.com
(aaaaaa)
#include <iostream>
#include<string>
using namespace std;
int main()
{
int n = 7,i;
string a;
cin >> a;
for (i = 0; i < a.length(); i++)
{
cout << char(char(a[i]) - 7);
}
return 0;
}