1523 : 별삼각형1
n,m=map(int,input().split()) if n100 or m3 : 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()