#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

int
main ()
{
  string str;
  string table[2] =
    { "abcdefghijklmnopqrstuvwxyz","ABCDEFGHIJKLMNOPQRSTUVWXYZ" };
  getline (cin, str);
for (auto & e:str)
    {
      int buf =
	find (table[0].begin (), table[0].end (), e) - table[0].begin ();
      if (buf != table[0].size ())
	e = table[1][buf];
    }
  cout << str << endl;
}