#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
int main(int argc, char** argv) {
int score;
cout<<"請輸入你的成績"<<endl;
cin>>score;
if(score >= 90)
{
cout<<"您為甲等"<<endl;
}
else if(score >= 80)
{
cout<<"您為乙等"<<endl;
}
else if(score >= 70)
{
cout<<"您為丙等"<<endl;
}
else if(score >= 60)
{
cout<<"您為丁等"<<endl;
}
else if(score >= 50)
{
cout<<"您為戊等"<<endl;
}
return 0;
}