
a = 3
b = 4

for row in range(10):
    if(row%2 == 0):
        print(row,"*"*row)

'''
i = 0
while(True):
    if(i%2 == 0):
        print(i,"*"*i)
    i+=1
    if (i==10):
        break


for i in range(1,6):
    for j in range(i):
        print('*', end = ' ')
    print()

'''