题目1121：首字母大写

import java.io.IOException;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.util.Scanner;

class Main
{
public static final boolean DEBUG = false;
public static final int N = 40;

public static void main(String[] args) throws IOException
{
BufferedReader cin;
String s;

if (DEBUG) {
cin = new BufferedReader(new FileReader("d:\\OJ\\uva_in.txt"));
} else {
cin = new BufferedReader(new InputStreamReader(System.in));
}

while ((s = cin.readLine()) != null) {
StringBuffer sb = new StringBuffer(s);
char ch = sb.charAt(0);
if (ch >= 'a' && ch <= 'z') {
sb.setCharAt(0, (char)(ch - 32));
}

for (int i = 1; i < sb.length(); i++) {
char prev = sb.charAt(i - 1);
ch = sb.charAt(i);
if (prev == ' ' || prev == '\t' || prev =='\r' || prev == '\n') {
if (ch >= 'a' && ch <= 'z') {
sb.setCharAt(i, (char)(ch - 32));
}
}
}

System.out.println(sb.toString());
}
}
}