#include <cstdio>
#include <algorithm>
using namespace std;
int n,m,k,z;
int main ()
{
	while (scanf("%d",&n)!=EOF) {
		if(n==0)break;
		printf("%d ",n);
		z=1;
		k=0;
		m=0; 
		for (int i=1; i<=n; i++) {
			k++;
			if(k>z) {
				z++;
				k=1;
			}
			m=m+z;
		}
		printf("%d\n",m);
	}
	return 0;
}