#include<iostream>
#include<cstdio>
#include<cctype>
using namespace std;
int main(){
  char a;
  while(scanf("%c",&a)!=EOF){
  if(a>='a' && a<='z')a-='a'-'A';
  printf("%c",a);
  }
}
### Prompt

Construct a cpp code solution to the problem outlined:

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>
#include<cstdio>
#include<cctype>
using namespace std;
int main(){
  char a;
  while(scanf("%c",&a)!=EOF){
  if(a>='a' && a<='z')a-='a'-'A';
  printf("%c",a);
  }
}
```