#include <cstdio>

int main() {
    char s1[11], s2[11], s3[11];
    scanf("%s %s %s", s1, s2, s3);
    printf("%c%c%c\n", s1[0] - 'a' + 'A', s2[0] - 'a' + 'A', s3[0] - 'a' + 'A');
}
### Prompt

Create a solution in CPP for 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 <cstdio>

int main() {
    char s1[11], s2[11], s3[11];
    scanf("%s %s %s", s1, s2, s3);
    printf("%c%c%c\n", s1[0] - 'a' + 'A', s2[0] - 'a' + 'A', s3[0] - 'a' + 'A');
}
```