#include<iostream>
#include<cstdio>
#include<string>
using namespace std;
int main() {
string str;
int low, high;
while (getline(cin, str)) {
low = high = 0;
while (high < str.size()) {
while (str[high] != ' ' && str[high] != '\t' && str[high] != '\r' && str[high] != '\n' && high < str.size()) {
++high;
}
if (str[low] >= 'a' && str[low] <= 'z') {
str[low] += 'A' - 'a';
}
low = ++high;
}
cout<<str<<endl;
}
return 0;
}

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