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>
#include<string>
#include<algorithm>	
#include<cmath>
using namespace std;
int main() {
	long long n; string s, t, u; cin >> s >> t >> u;
	if (s[0] == 'a') { cout << 'A'; }if (t[0] == 'a') { cout << 'A'; }if (u[0] == 'a') { cout << 'A' << endl; }
	if (s[0] == 'b') { cout << 'B'; }if (t[0] == 'b') { cout << 'B'; }if (u[0] == 'b') { cout << 'B' << endl; }
	if (s[0] == 'c') { cout << 'C'; }if (t[0] == 'c') { cout << 'C'; }if (u[0] == 'c') { cout << 'C' << endl; }
	if (s[0] == 'd') { cout << 'D'; }if (t[0] == 'd') { cout << 'D'; }if (u[0] == 'd') { cout << 'D' << endl; }
	if (s[0] == 'e') { cout << 'E'; }if (t[0] == 'e') { cout << 'E'; }if (u[0] == 'e') { cout << 'E' << endl; }
	if (s[0] == 'f') { cout << 'F'; }if (t[0] == 'f') { cout << 'F'; }if (u[0] == 'f') { cout << 'F' << endl; }
	if (s[0] == 'g') { cout << 'G'; }if (t[0] == 'g') { cout << 'G'; }if (u[0] == 'g') { cout << 'G' << endl; }
	if (s[0] == 'h') { cout << 'H'; }if (t[0] == 'h') { cout << 'H'; }if (u[0] == 'h') { cout << 'H' << endl; }
	if (s[0] == 'i') { cout << 'I'; }if (t[0] == 'i') { cout << 'I'; }if (u[0] == 'i') { cout << 'I' << endl; }
	if (s[0] == 'j') { cout << 'J'; }if (t[0] == 'j') { cout << 'J'; }if (u[0] == 'j') { cout << 'J' << endl; }
	if (s[0] == 'k') { cout << 'K'; }if (t[0] == 'k') { cout << 'K'; }if (u[0] == 'k') { cout << 'K' << endl; }
	if (s[0] == 'l') { cout << 'L'; }if (t[0] == 'l') { cout << 'L'; }if (u[0] == 'l') { cout << 'L' << endl; }
	if (s[0] == 'm') { cout << 'M'; }if (t[0] == 'm') { cout << 'M'; }if (u[0] == 'm') { cout << 'M' << endl; }
	if (s[0] == 'n') { cout << 'N'; }if (t[0] == 'n') { cout << 'N'; }if (u[0] == 'n') { cout << 'N' << endl; }
	if (s[0] == 'o') { cout << 'O'; }if (t[0] == 'o') { cout << 'O'; }if (u[0] == 'o') { cout << 'O' << endl; }
	if (s[0] == 'p') { cout << 'P'; }if (t[0] == 'p') { cout << 'P'; }if (u[0] == 'p') { cout << 'P' << endl; }
	if (s[0] == 'q') { cout << 'Q'; }if (t[0] == 'q') { cout << 'Q'; }if (u[0] == 'q') { cout << 'Q' << endl; }
	if (s[0] == 'r') { cout << 'R'; }if (t[0] == 'r') { cout << 'R'; }if (u[0] == 'r') { cout << 'R' << endl; }
	if (s[0] == 's') { cout << 'S'; }if (t[0] == 's') { cout << 'S'; }if (u[0] == 's') { cout << 'S' << endl; }
	if (s[0] == 't') { cout << 'T'; }if (t[0] == 't') { cout << 'T'; }if (u[0] == 't') { cout << 'T' << endl; }
	if (s[0] == 'u') { cout << 'U'; }if (t[0] == 'u') { cout << 'U'; }if (u[0] == 'u') { cout << 'U' << endl; }
	if (s[0] == 'v') { cout << 'V'; }if (t[0] == 'v') { cout << 'V'; }if (u[0] == 'v') { cout << 'V' << endl; }
	if (s[0] == 'w') { cout << 'W'; }if (t[0] == 'w') { cout << 'W'; }if (u[0] == 'w') { cout << 'W' << endl; }
	if (s[0] == 'x') { cout << 'X'; }if (t[0] == 'x') { cout << 'X'; }if (u[0] == 'x') { cout << 'X' << endl; }
	if (s[0] == 'y') { cout << 'Y'; }if (t[0] == 'y') { cout << 'Y'; }if (u[0] == 'y') { cout << 'Y' << endl; }
	if (s[0] == 'z') { cout << 'Z'; }if (t[0] == 'z') { cout << 'Z'; }if (u[0] == 'z') { cout << 'Z' << endl; }
	cin >> n;
}