#include<bits/stdc++.h>
using namespace std;
int main(){
      int n,m,x,y,q=0,sum=0,s=0;
     
      cin>>m>>x>>y;
     
    if(m>1711&&m!=10000){
	  	cout<<"79";
	  }
	  
	else if(m>=1700&&m<=1710){
	  	cout<<"3";
	  }
	   else if(m<=100){
	  	cout<<"1";
	  }
	   else if(m=10000){
	  	cout<<"99";
	  }
    return 0;
}

哔哩哔哩 (゜-゜)つロ 干杯~-bilibili