#include <iostream>
using namespace std;

int main(){
  string s;
  int dif = 'a' - 'A'; 

  getline( cin,s );

  for( int i=0;i<s.length();i++ ){
    if( 'a'<= s[i] && s[i] <='z' )
      s[i] -= dif;
  }
  cout << s << endl;

  return 0;
}