3_4

#include <iostream>
using namespace std;

main(){

	int nilai;

	cout<<"Masukan Nilai : ";
	cin>>nilai;

	if(nilai>=81 && nilai<=100){
		cout<<"Nilai anda "<<nilai<<" (A)";
	}else if (nilai>=71 && nilai<=81){
		cout<<"Nilai anda "<<nilai<<" (B)";
	}else if (nilai>=61 && nilai<=71){
		cout<<"Nilai anda "<<nilai<<" (C)";
	}else if (nilai>=51 && nilai<=61){
		cout<<"Nilai anda "<<nilai<<" (D)";
	}else if (nilai<51){
		cout<<"Nilai anda "<<nilai<<" (E)";
	}
	return 0;
}