#include <iostream>
using namespace std;

#define MAXLENGTH 10000

int main() {
	char* cstr = new char[MAXLENGTH];
	cout << "Enter a line to convert to lower case: ";
	while (cin.getline(cstr, MAXLENGTH)) {
		do  {
			if (int(*cstr) > 64 && int(*cstr) < 92) *cstr += 32;
			cout << *cstr;
		} while (*cstr++);
	}

}