#include <bits/stdc++.h>
using namespace std;
#define FOR(i, s, n) for(int i = s; i < (int)n; ++i)
#define per(i, n) for(int i = n; i >= 0; i--)
#define ROF(i, s, n) for(int i = s; i >= (int)n; i--)
#define FORIT(i, A) for (auto i : A)
#define PRINT(x) cout << (x) << "\n"
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define MP make_pair
#define PB push_back
#define EACH(i, n) for (__typeof((n).begin()) i = (n).begin(); i != (n).end(); ++i)
#define SZ(a) int((a).size())
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
#define CLR(a) memset((a), 0 ,sizeof(a))
#define NCLR(a) memset((a), -1 ,sizeof(a))
#define sq(n) (n) * (n)
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;
typedef vector<LL> VLL;
typedef vector<VLL> VVLL;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef priority_queue<int> maxpq;
typedef priority_queue< int, vector<int>, greater<int> > minpq;
typedef complex<double> Point;
static const double EPS = 1e-10;
static const double PI = acos( -1.0 );
static const int mod = 1000000007;
static const int INF = 1 << 29;
static const LL LL_INF = 1ll << 60;
static const int dx[] = { -1, 0, 1, 0, 1, -1, 1, -1 };
static const int dy[] = { 0, -1, 0, 1, 1, 1, -1, -1 };

#ifdef WIN32
#include "gtest/gtest.h"
#pragma comment (lib, "gtest.lib")
#define dump(x) cerr << #x << " = " << (x) << "\n"
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << "\n"
#else
#define dump(x)
#define debug(x)
#endif

string str;
//#define severalTestCases

bool input() {
  getline( cin, str );
  return true;
}

string solve(string _str) {
  for ( int i = 0; i < _str.size(); i++ ) {
    if ( 'a' <= _str[ i ] && _str[ i ] <= 'z' ) {
      _str[ i ] += 'A' - 'a';
    }
  }
  return _str;
}

void putsanswer() {
  cout << solve(str) << "\n";
}

int main( int argc, char **argv ) {
#ifndef WIN32
#ifdef severalTestCases
  while ( input() ) {
#else
  input();
  solve();
#endif
#else
  ::testing::InitGoogleTest( &argc, argv );
  return RUN_ALL_TESTS();    // gtest ?????????
#endif
#ifdef severalTestCases
  }
#endif
  return 0;
}

#ifdef WIN32
TEST( testcase, solve ) {
  ASSERT_EQ( "THIS IS A PEN.", solve( "this is a pen." ) );
}
#endif