1523 : 별삼각형1

n,m=map(int,input().split())

if n<=0 or n>100 or m<1 or m>3 :
    print("INPUT ERROR!")
    exit()

if m==1 :
    for i in range(1,n+1):
        for j in range(i):
            print("*",end='')
        print()
elif m==2:
    for i in range(n,0,-1):
        for j in range(i):
            print("*",end='')
        print()
elif m==3:
    for i in range(n):
        for j in range(n-i-1):
            print(' ',end='')
        for j in range(i*2+1):
            print('*',end='')
        print()