import java.io.*;
public class Test {
public static void main(String[] args) {
try {
FileReader a = new FileReader(args[0]);
BufferedReader b = new BufferedReader(a);
String i = null;
int j = 0;
char[] c = null;
while ((i = b.readLine()) != null) {
c = i.toCharArray();
for (j = 0; j < c.length; j++) {
if (c[j] >= 'a' & c[j] <= 'z') {
c[j] = (char)((int)c[j] - 32);
}
}
System.out.println(c);
}
} catch (Exception ex) {
System.out.println("文件不存在!");
}
}
}