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

import java.math.BigInteger;
import java.util.*;
public class Main {





public static void main(String[] args)
{
	Scanner sc=new Scanner(System.in);
char a=sc.next().charAt(0);
char b=sc.next().charAt(0);
char c=sc.next().charAt(0);
String aa=""+a;
String bb=""+b;
String cc=""+c;
System.out.println(aa.toUpperCase()+bb.toUpperCase()+cc.toUpperCase());
}

}

class pair{
	int x,y;
	pair(int x,int y){
		this.x=x;
		this.y=y;
	}
}
