h

#include<iostream>    //头文件
int main(){    
    int a;    
    #define Qb(x,y,z) if(a>=x and a<=y)a=a-z;    
    std::cin>>a;   
    Qb(101,200,10)Qb(201,300,20)Qb(301,500,50)    
    std::cout<<a;    
  	return 0;  //好习惯
}