#include <iostream>
#include <string>

std::string camel_case( std::string str )
{
    const int SIZE = str.size();
    if( str[0] >= 'a' && str[0] <= 'z' ) str[0] -= ' ';
    for( int i = 1; i < SIZE; ++i )
    {
        if( str[i] >= 'A' && str[i] <= 'Z' ) str[i] += ' ';
    }
    return( str );
}

int main()
{
	std::string animal;
	std::cout << "Please enter Cat or Dog: ";
	std::cin >> animal;
	
	std::cout << camel_case( animal ) << std::endl;
	
	
	return 0;
}