/*
#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int map[5005][7] = {0};
int n[5005] = {0},k,i,j,sum=0,max=0;
scanf ("%d",&n);
for(i=0; i<n; i++)
{
for(j=0; j<6; j++)
{
scanf("%d", &map[i][j]);
}
}
for(i=0; i<6; i++)
{
for(j=0; j<n; j++)
{
}
sum += max;
}
printf ("%d",sum);
return 0;
}
//4
//6 | 3 | 4 | 7 | 5 | 1
//9 | 2 | 3 | 7 | 5 | 6
//2 | 3 | 6 | 5 | 8 | 7
//2 | 6 | 4 | 5 | 3 | 5
//43
*/
/*
#include<stdio.h>
int main()
{
int n[10001] = {0},h,i,j;
scanf ("%d",&n);
for(i=0; i<=n; i++)
{
}
}
*/