#include<stdio.h>
#include<math.h>
int main()
{
int h, r,a=20,b,n;
scanf_s("%d%d", &h, &r);
b = (3.14rrh)/1000;
```c
#include<stdio.h>
#include<math.h>
int main()
{
int h, r,a=20,b,n;
scanf_s("%d%d", &h, &r);
b = (3.14rrh)/1000;
n=20/b;
printf("%d\n", n+1);
return 0;
}
n=20/b;
printf("%d\n", n+1);
return 0;
}
