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

int main(int argc, char ** argv){
	string s = argv[1];

	// Lower all characters in s
	for(int i = 0; i < s.length(); i++)
		s[i] = tolower(s[i]);

	puts(s.c_str());

	// Make all characters in s uppercase
	for(int i = 0; i < s.length(); i++)
		s[i] = toupper(s[i]);

	puts(s.c_str());
	return 0;

}