#include <stdio.h>

int main(){

	char s;
	int flag=1,code;

	while(scanf("%c",&s)!=EOF){
		code=(int)s-32;
		if(flag==1)printf("%c",(char)code);
		flag=0;
		if(s==' ')flag=1;
	}

}
### Prompt

Generate a Cpp solution to 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(){

	char s;
	int flag=1,code;

	while(scanf("%c",&s)!=EOF){
		code=(int)s-32;
		if(flag==1)printf("%c",(char)code);
		flag=0;
		if(s==' ')flag=1;
	}

}
```