#include <bits/stdc++.h>
using namespace std;
int main()
{
	string s;
	while(getline(cin,s))
	{
		for(int i=0;i<s.length();i++)
		{
			if(i==0)
			{
			if(s[i]>='a'&&s[i]<='z')
				s[i]=s[i]-'a'+'A';
			}
			if((s[i-1]==' '||s[i-1]=='\t'||s[i-1]=='\r'||s[i-1]=='\n')&&s[i]>='a'&&s[i]<='z')
				s[i]=s[i]-'a'+'A';
		}
		cout<<s<<endl;
	}
	return 0;
}