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()