오일러1062,1063

#1062 삼각형 출력하기 : 오일러OJ (euleroj.io)

#3개의 문자로 만들어지는 변의 길이N인 삼각형 출력

n=int(input())

st=input()

for i in range(0,n):

    outStr=''

    if i==0:

        outStr+=st[2]

    elif i==(n-1):

        for j in range(0,n):

            if j==0:

                outStr+=st[0]

            else:

                outStr+=st[1]

    else:

        for j in range(0,i+1):

            if j==0:

                outStr+=st[0]

            elif j==(i):

                outStr+=st[2]

            else:

                outStr+=" "

    print(outStr)

 

#1063 완전제곱수 : 오일러OJ (euleroj.io)

#m,n이 주어질때 m이상 n이하 자연수중

#완전제곱수인 것을 모두 골라서 그 합을 출력하고

#이중에서 최솟값을 출력

m=int(input())

n=int(input())

sum=0

min=-1

for i in range(m,n+1):

    x=i**(1/2)

    if x-int(x)==0.0:

        sum+=i

        if min==-1:

            min=i

if min==-1:

    print(min)

else:

    print(sum)

    print(min)