#include<stdio.h>
int main(void)
{
   char s1[20],s2[20],s3[20];
   scanf("%s%s%s",s1,s2,s3);
   printf("%c%c%c\n",s1[0]-'a'+'A',s2[0]-'a'+'A',s3[0]-'a'+'A');
   return 0;
}

### Prompt

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

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[20],s2[20],s3[20];
   scanf("%s%s%s",s1,s2,s3);
   printf("%c%c%c\n",s1[0]-'a'+'A',s2[0]-'a'+'A',s3[0]-'a'+'A');
   return 0;
}

```