n=int(input()) l=[] for i in range (n): arr=[] for x in map(int,input().split()): arr.append(x) l.append(arr) #主对角线之和 zhu=0 for i in range (n): zhu+=l[i][i] #副对角线之和 fu=0 m=n-1 for i in range (n): fu+=l[i][m] m-=1 print(zhu) print(fu)