#include<bits/stdc++.h>
using namespace std; 
int main(){
	int q;
	scanf("%d",&q);
		
	int a;
	if(q==100) {
		a=120;
	}else if(q==200){
		a=250;
	}else if(q==300){
		a=400;
	}else if(q==500){
		a=700;
	}else{
		a=q;
	}
	
	printf("%d\n",a);
	
	return 0;
}
	
/**************************************************************
	Problem: 1391
	User: huanghao
	Language: C++
	Result: Wrong Answer
****************************************************************/