CodeForces - 598A

#include<stdio.h>
#define LL long long
int main()
{
	int T;
	scanf("%d",&T);
	while(T--){
		LL n, ans = 0;
		scanf("%lld",&n);
		LL sum =n + n*(n-1)/2;
		for(LL i = 1;i <=n;i *= 2){
			 ans += i;
		}
		printf("%lld\n",sum-2*ans);
	}
return 0;
}