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#include<iostream>
using namespace std;
int main()
{
float money,discount,pay;
cin>>money;
if(money<1000){
discount=1;
pay=money;
}
else if(money>=1000&&money<2000){
discount=0.95;
pay=money*0.95;
}
else if(money>=2000&&money<3000){
discount=0.9;
pay=money*0.9;
}
else if(money>=3000&&money<5000){
discount=0.85;
pay=money*0.85;
}
else{
discount=0.8;
pay=money*0.8;
}
cout<<"discount="<<discount<<",pay="<<pay<<endl;
return 0;
}