def purify_even_space
N=int(input())
i <=0
    n=input;
    print("Invalid input")
    else:
        int length = " ".length * radius
        int breadth = " ".breadth * radius
        intfloat = " ".2f * radius
        print(" ".2f format != 1)
        
        for i in range(N,0,-1):
            print("Invalid input")
            else:
                print("{}".())