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        public void run(){
                System.out.println("Just working !");
     }
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import java.io.*;
class BigInt 
{
 int a[];
 int len;
 BigInt(String str)
 {
 {
  len=str.length();
  a=new int[len];
  for(int i=0;i<len;i++) 
  {
   this.a[i]=str.charAt(i)-48;
  }
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public class Test {
public static void main(String[] args) {
int result = 1;
for (int i = 1; i <= 100; i++) {
result *= i;
}
System.out.println(result);
}
}
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