#include<bits/stdc++.h>
using namespace std;
int main(){
  int i;
  char a[100],c;
  gets(a);
  for(i=0;i<strlen(a);i++)
{  if(i==0&&a[i]!=' ')
  {c=a[i];
  if(a[i]>='a'&&a[i]<='z') c=c-32;
  cout<<c;}
  else if(i>0&&a[i]!=' '&&a[i-1]==' ')
   {c=a[i];
   if(a[i]>='a'&&a[i]<='z') c=c-32;
   cout<<c;}
}
  return 0;
}
/**************************************************************
	Problem: 1100
	User: wtq001
	Language: C++
	Result: Accepted
	Time:20 ms
	Memory:2076 kb
****************************************************************/