%:include<bits/stdc++.h>
template<typename L> inline void Read(L &X)<%
	char c=getchar();L zhi=0,fu=1;
	while(not isdigit(c))<%if(c=='-')fu=-1;c=getchar();%>
	while(isdigit(c))<%zhi=(zhi<<1)+(zhi<<3)+c-'0';c=getchar();%>
	X=fu*zhi;
%>
template <typename L> inline void Write(L X)<%
  	if(X<0) putchar('-'),X=-X;
	if(X>9) Write(X/10);
	putchar(X%10^48);
%>
long long n,ans;
int main()<%
	Read(n);
	for(register int i=1;i<=n;++i){
		ans+=i;
		Write(ans);printf("\n");
	}
	exit(0);
%>