//#pragma GCC optimize(3)
#include<cstdio>
#include<algorithm>
#include<cstring>
#include<vector>
using namespace std;
#define fi first
#define se second
#define mp make_pair
#define pb push_back
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
int tt[30001000];
int rd()
{
static int x=471;
return (48271ll*x+1)%2147483647;
}
int main()
{
int i,l,r;
for(i=1;i<=30000000;i++)
{
l=rd();r=rd();
tt[++tt[0]]=(l+r)>>1;
}
return 0;
}