public class test {
    public static void main (String[]args){
        long k=0;
        for(k=1;k<=100000l;k++)
        if(Math.floor(Math.sqrt(k+100))==Math.sqrt(k+100) && Math.floor(Math.sqrt(k+168))==Math.sqrt(k+168))
        System.out.println(k);
    }
}