#include<iostream>
using namespace std;

int Abs(int x) {
if( x > 0 )
return x;
return -x;
}
int rand() {
static int seed = 1;
int A = 1000000007, B = 10007;
seed = seed*A + B;
return seed;
}

int main() {
for(int i = 0; i < 50000000; i++) {
int num = rand();
}
cout << 0 << endl;
return 0;
}