2046 : 숫자사각형4
n,m = map(int,input().split()) if m == 1 : for i in range(1,n+1): for j in range(n): print(i,end=' ') print() elif m == 2: for i in range(n): if i % 2==0 : for j in range(1,n+1): print(j,end=' ') else: for j in range(n,0,-1): print(j,end=' ') print() elif m == 3: for i in range(1,n+1): for j in range(1,n+1): print(i*j,end=' ') print()