#include <bits/stdc++.h>
using namespace std;
string a, b, c;
char d, e, f;

int main(){
  cin>>a>>b>>c;
  d=a[0] - 32;
  e=b[0] - 32;
  f=c[0] - 32;
  cout<<d<<e<<f<<endl;
}
### Prompt

Please create a solution in Cpp 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 <bits/stdc++.h>
using namespace std;
string a, b, c;
char d, e, f;

int main(){
  cin>>a>>b>>c;
  d=a[0] - 32;
  e=b[0] - 32;
  f=c[0] - 32;
  cout<<d<<e<<f<<endl;
}
```