#Question3
import random

print("Maths Challenge")
print("Type e and any time to exit\n")

def subtraction():

    global ans
    rights = 0
    wrongs = 0

    question=random.randint(1,3)
    if(question==1):
        numberOne, numberTwo  = random.randint(0,100), random.randint(0,100)
        ans=input(str(numberOne) +" - " +str(numberTwo)+" = __" + "\nAnswer: ")
        if (str(ans)=='e' or str(ans)=='E'):
            print("Thanks you for using Math Challenge program")
            print("Number of rights: {0}".format(rights))
            print("Number of wrongs: {0}".format(wrongs))
            quit()

        else:
            ans_int=int(ans)
            ans1= (numberOne - numberTwo)
            while (ans!=e):
                if (ans_int != ans1):
                    print ("Wrong")
                    wrongs=wrongs+1
                else:
                    print("Correct")
                    right=rights+1
    elif(question==2):
        numberOne, numberTwo  = random.randint(0,100), random.randint(0,100)
        ans=input(str(numberOne) + " - __ = " + str(numberTwo)+ "\nAnswer: ")
        if (str(ans)=='e' or str(ans)=='E'):
            print("Thanks you for using Math Challenge program")
            quit()
        else:
            ans_int=int(ans)
            ans1=(numberOne - numberTwo)
            while (ans!=e):
                if (ans_int != ans1):
                    print ("Wrong")
                    wrongs=wrongs+1
                else:
                    print("Correct")
                    right=rights+1
    elif(question==3):
        numberOne, numberTwo  = random.randint(0,100), random.randint(0,100)
        ans=input("__ - "+ str(numberOne) + " = "+ str(numberTwo)+ "\nAnswer: ")
        if (str(ans)=='e' or str(ans)=='E'):
            print("Thanks you for using Math Challenge program")
            quit()
        else:
            ans_int=int(ans)
            ans1=(numberTwo + numberOne)
            if (ans_int != ans1):
                print ("Wrong")
                wrongs=wrongs+1
            else:
                print("Correct")
                right=rights+1
    return ans

def addition():
    global ans

    rights = 0
    wrongs = 0

    question=random.randint(1,3)
    if(question==1):
        numberOne, numberTwo  = random.randint(0,100), random.randint(0,100)
        ans=input(str(numberOne) +" + " +str(numberTwo)+" = __" + "\nAnswer: ")
        if (str(ans)=='e' or str(ans)=='E'):
            print("Thanks you for using Math Challenge program")
            quit()
        else:
            ans_int=int(ans)
            ans1= (numberOne + numberTwo)
            if (ans_int != ans1):
                print ("Wrong")
                wrongs=wrongs+1
            else:
                print("Correct")
                right=rights+1

    if(question==2):
        numberOne, numberTwo  = random.randint(0,100), random.randint(0,100)
        ans=input(str(numberOne) + " + __ = " + str(numberTwo)+ "\nAnswer: ")
        if (str(ans)=='e' or str(ans)=='E'):
            print("Thanks you for using Math Challenge program")
            quit()
        else:
            ans_int=int(ans)
            ans1= (numberTwo - numberOne)
            if (ans_int != ans1):
                print ("Wrong")
                wrongs=wrongs+1
            else:
                print("Correct")
                right=rights+1

    if(question==3):
        numberOne, numberTwo  = random.randint(0,100), random.randint(0,100)
        ans=input("__ + "+ str(numberOne) + " = "+ str(numberTwo)+ "\nAnswer: ")
        if (str(ans)=='e' or str(ans)=='E'):
            print("Thanks you for using Math Challenge program")
            quit()
        else:
            ans_int=int(ans)
            ans1= (numberTwo - numberOne)
            if (ans_int != ans1):
                print ("Wrong")
                wrongs=wrongs+1
            else:
                print("Correct")
                right=rights+1
    return ans

print(ans)
type_of_question= random.randint(1,2)
if(type_of_question==1):
    print(subtraction())
else:
    print(addition())