#calculator
import math as m 

def add(a,b):
    print(a+b)

def sub(a,b):
    print(a-b)

def pro(a,b):
    print(a*b)

def div(a,b):
    print(a/b)

def quo(a,b):
    print(a//b)

def rem(a,b):
    print(a%b)

def compare(a,b):
    if(a>b):
        print("A IS GREATER")
    elif(a<b):
        print("B IS GREATER")
    else:
        print("BOTH ARE EQUAL")
c=5
while(c!=0):
    a=int(input("ENTER VALUE 1: "))
    b=int(input("ENTER VALUE 2: "))
    print("SELECT 1 FOR ADDITION")
    print("SELECT 2 FOR SUBSTRACTION")
    print("SELECT 3 FOR MULTIPLICATION")
    print("SELECT 4 FOR DIVISON")
    print("SELECT 5 FOR FLOATING DIVISON")
    print("SELECT 6 FOR REMAINDER")
    print("SELECT 7 TO COMPARE")
    print("SELECT ^ FOR SQUAREROOT")
    print("SELECT f FOR FACTORIAL")
    print("SELECT p FOR POWER")
    print("SELECT l FOR LOG")
    print("SELECT cos FOR COS")
    print("SELECT 0 FOR EXIT")
    c=int(input("ENTER OPERATION:"))
    if(c==1):
        add(a,b)
    elif(c==2):
        sub(a,b)
    elif(c==3):
        pro(a,b)
    elif(c==4):
        div(a,b)
    elif(c==5):
        quo(a,b)
    elif(c==6):
        rem(a,b)
    elif(c==7):
        compare(a,b)
    elif(c=="^"):
        print(m.sqrt(a))
    elif(c=="f"):
        print(m.factorial(b))
    elif(c=="p"):
        print(m.pow(a,b))
    elif(c=="l"):
        print(m.log(a))
    elif(c=="cos"):
        print(m.cos(b))
    c=int(input("ENTER 0 TO EXIT ELSE PRINT 1:"))