#include <iostream>
#include <cstring>
using namespace std;
int main()
{
int n, i = 0;
char s[256];
cin.getline(s, 256);
s[i] -= 32; //prima din sir
for (i = 1; s[i + 1] != '\0'; ++i)
{
if (s[i] == ' ' && s[i + 1] != ' ') //prima litera
{
s[i + 1] -= 32;
}
if (s[i] == ' ' && s[i - 1] != ' ') //ultima litera
{
s[i - 1] -= 32;
}
}
s[i] -= 32; //ultima din sir
cout << s;
return 0;
}