Если честно голову уже поломал(
package com.javarush.task.task08.task0823;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.lang.*;
/*
Омовение Рамы
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String string = reader.readLine();
String[] out = string.split(" ");
StringBuilder sb = new StringBuilder();
for(int i = 0; i < out.length; i++){
sb.append(Character.toUpperCase(out[i].charAt(0))).append(out[i].substring(1)).append(" ");
}
sb.toString().trim();
System.out.println(sb);
}
}