package lectures.loops;
import util.annotations.WebDocuments;
import java.io.DataInputStream;
@WebDocuments({"Lectures/Loops.pptx", "Lectures/Loops.pdf", "Videos/Loops.avi"})
public class SentinelBasedFoldingNumberMultiplier {
static DataInputStream dataIn = new DataInputStream (System.in);
public static void main (String args[]) {
int intNum = 1;
int nextNum = readNumber();
while (nextNum >= 0) {
intNum *= nextNum;
nextNum = readNumber();
}
print(intNum);
pause();
}
public static int readNumber() {
return readInt();
}
public static int readInt() {
try {
return Integer.parseInt(dataIn.readLine());
} catch (Exception e) {
return 0;
}
}
public static void print(int total) {
System.out.println(total);
}
public static void pause() {
try {
System.in.read();
} catch (Exception e) {
System.out.println(e);
}
}
}