#include <cstdio>
int a,b;

int main() {
	scanf("%d %d",&a,&b);
	printf("%d",a/b);
	return 0;
}
#include<iostream>
using namespace std;
int main(){
	int a,b;
  	cin>>a>>b;
    cout<<(2*a+100-b);
  return 0;
}