#include <bits/stdc++.h>
using namespace std;
int main() {
  string s;
  while (getline(cin, s)) {
    int len = s.length();
    if (s[0]>='a' && s[0]<='z') {
      s[0] = s[0]-'a'+'A';
    }
    cout<< s[0];

    for (int i = 1; i < len; i++) {
      if (s[i-1]==' '||s[i-1]=='\t'||s[i-1]=='\r'||s[i-1]=='\n') {
        if (s[i]>='a' && s[i]<='z') {
          s[i] = s[i]-'a'+'A';
          cout<< s[i] ;
          continue;
        }
      }
      cout<< s[i] ;
    }
  }

}