App.java

package com.mycompany.app;

import java.util.Scanner;

public class App{	
	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		String str = sc.nextLine();
		
		for(int i = 0; i < str.length(); i++){
			if((i > 0 && str.charAt(i - 1) == ' ') || i == 0){
				str = str.substring(0, i) + Character.toUpperCase(str.charAt(i)) + str.substring(i + 1);
			}
		}

		System.out.println(str);
	}
}