Problem Description

Input

Output

Sample Input

2
1 2
2 4

Sample Output

3
30

#include 
   
    
int main()
{ 
   int t,n,m;
   int i,j,k;
   int sum1,sum2;
    scanf("%d",&t);

    for(i=1;i<=t;i++)
    {
       scanf("%d %d",&n,&m);
       sum1 = sum2 = 0;
       for(j=1;j<=n;j++)
            sum1 += j;
        for(j=1;j<=m;j++)
            sum2 += j;

      printf("%d\n",sum1*sum2);
     }
return 0;

}