#include<iostream>
#include<sstream>
using namespace std;

int main()
{
string s;
char a[100];
while(getline(cin,s))
{
stringstream ss(s);
while(ss>>a)
{
if(a[0]<='z'&&a[0]>='a')
a[0]-=' ';
cout<<a<<endl;
}
}
}