Problem:
Score : 100 points

Problem Statement

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.

Sample Input 1

atcoder beginner contest

Sample Output 1

ABC

The initial letters of atcoder, beginner and contest are a, b and c. Uppercase and concatenate them to obtain ABC.

Sample Input 2

resident register number

Sample Output 2

RRN

Sample Input 3

k nearest neighbor

Sample Output 3

KNN

Sample Input 4

async layered coding

Sample Output 4

ALC

Solution in C++14 (GCC 5.4.1) (judge verdict: Wrong Answer)

#include<iostream>
  using namespace std;
  int main(){
  	char s1[10];
  	char s2[10];
  	char s3[10];
  	int n,b,c;
  	for(int i=1;i<=n;i++){
  		cin>>s1[i];
	  }
	  for(int i=1;i<=b;i++){
  		cin>>s2[i];
	  }
	  for(int i=1;i<=c;i++){
  		cin>>s3[i];
	  }
	  cout<<s1<<s2<<s3;
}