// Maqsad Nahi Bhoolna
#include <bits/stdc++.h>
using namespace std;
#include<algorithm>
#define ll long long int
#include<algorithm>
#define ld long double
#define nl cout << endl
#define re return 0
#define vi vector<int>
#define vii vector<vector<int>>
#define vl vector<ll>
#define vll vector<vector<ll>>
#define vb vector<bool>
#define vbb vector<vector<bool>>
#define all(vec) vec.begin() vec.end()
#define sahi(vec) sort(vec.begin() ,vec.end())
#define ulta(vec) sort(vec.begin() ,vec.end() greater<typename decltype(vec)::value_type>())
#define fori(a,b) for(int i = a; i < b; i++)
#define forj(a,b) for(int j = a; j < b; j++)
#define fork(a,b) for(int k = a; k < b; k++)
#define forr(a,b) for(int i = a; i >= b; i--)
#define yes(expr) (expr) ? cout << "yes" : cout << "no"
#define Yes(expr) (expr) ? cout << "Yes" : cout << "No"
#define YES(expr) (expr) ? cout << "YES" : cout << "NO"
#define input(vec) fori(0 ,vec.size()) cin >> vec[i]
#include<cstring>
#include<string>
#define io ios_base::sync_with_stdio(false); cin.tie(nullptr)

int main()
{
	ll t;
	t=1;
	
	while(t--)
	{
		string s;
		getline(cin,s);
		cout<<char(toupper(s[0]));
		for(int i=1;i<s.length()-1;i++)
		if(s[i]==' ')cout<<char(toupper(s[i+1]));
		
	}
}