#include <cstdio>
#define MAXN 15
char s1[MAXN], s2[MAXN], s3[MAXN];
int main() {
	scanf("%s%s%s", s1, s2, s3);
	printf("%c%c%c", s1[0]-32, s2[0]-32, s3[0]-32);
	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 <cstdio>
#define MAXN 15
char s1[MAXN], s2[MAXN], s3[MAXN];
int main() {
	scanf("%s%s%s", s1, s2, s3);
	printf("%c%c%c", s1[0]-32, s2[0]-32, s3[0]-32);
	return 0;
} 

```