#include <iostream>

using namespace std;

int main() 
{		
	string name, grade;
	int marks;
	
	cout << "Enter name: ";
	cin >> name;
	
	cout << "Enter marks: "; 
	cin >> marks;
	
	if (marks>= 90)
	{grade = "A+";}
	
	else  if (marks>=80)
	{grade ="A";}	
	
	else  if (marks>=75)
	{grade ="A-";}	
	
	else  if (marks>=70)
	{grade ="B+";}
	
	else  if (marks>=65)
	{grade ="B";}	
	
	else  if (marks>=60)
	{grade ="B-";}
	
	else  if (marks>=55)
	{grade ="C+";}
	
	else  if (marks>=50)
	{grade ="C";}
	
	else  if (marks>=45)
	{grade ="C-";}
	
	else  if (marks>=40)
	{grade ="D";}
	
	else  
	{grade ="F";}
	
	cout << "Your name: " << name << endl;
	cout << "Your marks: " << marks << endl;
	cout << "Your grade: " << grade << endl;
   return 0;
}