/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
	}
}

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#Q7.
a=int(input("enter no of total classes held:"))
b=int(input("enter no of classes attended:"))
c=(b/a)*100
print("your attendance is{0}%".format(c))
if c>=75:
 print("you can sit in exam")
elif c>=60 and c<75:
 print("solve 5 university papers")
else:
 m=str(input("have you any medical cause for less attendance?enterYorN:"))
if m=="Y":
 print("you can sit in exam by showing medical certificate")
else:
 print("you can't sit in exam")