ans = int(input( " Enter a number: "))
if ans > 100:
    if ans < 111:
        print( ans, "is close to 100")
    elif ans < 100:
        if ans > 90:
            print( ans, "is close to 100")
        else: print( ans, "is not close to 100")
    else: print( ans, "is not close to 100")
elif ans < 101:
    if ans > 89:
        print( ans, "is close to 100")
    else: print( ans, "is not close to 100")