编辑代码

#include <iostream>
using namespace std;
int main() {
 int a1;
 cout<<"请输入一个分数:"<<endl;
 cin>>a1;
 cout<<"你输入的分数为"<<a1<<endl;
 if(a1>400)
 {
     cout<<"恭喜上四百分"<<endl;

 }
	return 0;
}