/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static void main(String[] args) {
        for (int n = 1; n < 11; n++)
            System.out.println(factorial(n));
    }
    //Calculates the factorial of integer n
    public static int factorial(int n) {
        if (n == 0)
            return 1;
        else 
            return n*factorial(n-1);
    }
}

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