【UESTC】1422 - Sum Kind Of Problem（水）

#include<cstdio>
typedef long long LL;
int main() {
	int T;
	scanf("%d",&T);
	while(T--) {
		LL k,n;
		scanf("%lld %lld",&k,&n);
		printf("%lld %lld %lld %lld\n",k,n*(n+1)/2,(1+2*n-1)*n/2,(2+2*n)*n/2);
	}
	return 0;
}