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import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class MainClass {
public static void main(String[] args) {
try {
copy(System.in, System.out);
} catch (IOException ex) {
System.err.println(ex);
}
}
public static void copy(InputStream in, OutputStream out) throws IOException {
BufferedInputStream bin = new BufferedInputStream(in);
BufferedOutputStream bout = new BufferedOutputStream(out);
while (true) {
int datum = bin.read();
if (datum == -1)
break;
bout.write(datum);
}
bout.flush();
}
}
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