#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string.h>
using namespace std;

void Chuyen(char chuoi[500])
{
	char chuoi2[500];
	char chuoi1[10];
	strcpy(chuoi2, _strlwr(chuoi));
	int dodai = strlen(chuoi2) - 1;
	for (int i = 0; i <= dodai; i++)
	{
		if (i - 1 < 0 || chuoi2[i - 1] == ' ')
		{
			int s = (int)chuoi2[i] - 32;
			cout << (char)s;
		}
		else cout << chuoi2[i];
	}
}
int main()
{
	char chuoi[500];
	cin.getline(chuoi, 500);
	Chuyen(chuoi);
	return 1;
}