#include <iostream>
using namespace std;
int main()
{
	char c, d = 'A' - 'a';
	while (cin.get(c)){
		if (c == '\n') break;
		if ('a' <= c && c <= 'z') c += d;
		cout << c;
	}
	cout << "\n";
	return 0;
}
### Prompt

In cpp, your task is to solve the following problem:

Write a program which replace all the lower-case letters of a given text with the corresponding captital letters.



Input

A text including lower-case letters, periods, and space is given in a line. The number of characters in the text is less than or equal to 200.

Output

Print the converted text.

Example

Input

this is a pen.


Output

THIS IS A PEN.

### Response

```cpp
#include <iostream>
using namespace std;
int main()
{
	char c, d = 'A' - 'a';
	while (cin.get(c)){
		if (c == '\n') break;
		if ('a' <= c && c <= 'z') c += d;
		cout << c;
	}
	cout << "\n";
	return 0;
}
```