// Read a string and change it to uppercase.
#include <iostream>
#include <string>
using namespace std;
int main()
{
	string s;
	int i, n;
	cout << "Enter a string: \n";
	getline(cin,s);
	n = s.length();
	i = 0;
	while (i < n)
	{
		s[i] = toupper(s[i]);
		i++;
	}
	cout << s << endl;
	return 0;
}