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import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.InputStream;
public class Main {
public static void main(String[] args) throws Exception {
InputStream in = System.in;
BufferedWriter bw = new BufferedWriter(new FileWriter("output.txt"));
int letter;
while ((letter = in.read()) != -1) {
bw.write((char) letter);
bw.flush();
}
}
}
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