#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
const int N = 1e6 + 10;
int t, n, m, k, l, r, op, x, y;
int f[N];
string str;
void solve() {
getline(cin, str);
char ls = ' ';
for (char&ch : str) {
if (isalpha(ch) && ls == ' ')ch = toupper(ch);
ls = ch;
}
cout<<str;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
solve();
return 0;
}