#include <stdio.h>
int main(void){
  char s1[11];
  char s2[11];
  char s3[11];
  scanf("%s %s %s",s1,s2,s3);
  printf("%c%c%c",s1[0] - 'a'+'A',s2[0] - 'a'+'A',s3[0] - 'a'+'A');
}

### Prompt

Develop a solution in cpp to the problem described below:

You are given three words s_1, s_2 and s_3, each composed of lowercase English letters, with spaces in between. Print the acronym formed from the uppercased initial letters of the words.

Constraints

* s_1, s_2 and s_3 are composed of lowercase English letters.
* 1 ≤ |s_i| ≤ 10 (1≤i≤3)

Input

Input is given from Standard Input in the following format:


s_1 s_2 s_3


Output

Print the answer.

Examples

Input

atcoder beginner contest


Output

ABC


Input

resident register number


Output

RRN


Input

k nearest neighbor


Output

KNN


Input

async layered coding


Output

ALC

### Response

```cpp
#include <stdio.h>
int main(void){
  char s1[11];
  char s2[11];
  char s3[11];
  scanf("%s %s %s",s1,s2,s3);
  printf("%c%c%c",s1[0] - 'a'+'A',s2[0] - 'a'+'A',s3[0] - 'a'+'A');
}

```