#include <iostream.h>
#include <ctype.h>

int main(){
  const int n=12;
  char t[n];
  for (int i=0;i<n;i++){
    cin>>t[i];
  }
  t[0] = toupper(t[0]);
  for (int i=1;i<n;i++){
    t[i] = tolower(t[i]);
  }
  for (int i=0;i<n;i++){
    cout>>t[i];
  }
  return 0;
}