#include <cstdio>
#include <cctype>

using namespace std;

int main()
{
	char x;

	while (scanf("%c", &x) != EOF) {
		if (islower(x)) {
			x = toupper(x);
		}
		printf("%c", x);
	}
	
	return 0;
}
### Prompt

Please formulate a Cpp solution to 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 <cstdio>
#include <cctype>

using namespace std;

int main()
{
	char x;

	while (scanf("%c", &x) != EOF) {
		if (islower(x)) {
			x = toupper(x);
		}
		printf("%c", x);
	}
	
	return 0;
}
```