import java.util.*;
class Main
{
{
Scanner scan
= new Scanner
(System.
in); double sum_1=0, sum_2=0;
int n = scan.nextInt();
int m = scan.nextInt();
for(int k=1; k<=n; k++){
for(int l=1; l<=m; l++) sum_2+=(k-l)*(k-l);
sum_1+=k*k*k*sum_2;
sum_2-=sum_2;
}
}
}
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