#include <stdio.h>
int main() {
int a,n,m,k,d,A=0,B=0;
int x[10000][10000];
scanf("%d",&a);
for(int i=0;i<a;i++)
{
//for(int j=0;j<4;j++)
//{
// scanf("%d",&x[i][j]);
//}
}
//for(int i=0;i<a;i++)
// {
//break;
printf("%d",B);
B=0;
//}
}
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