for i in range (101):
    print(i)
    if i == 20:
        break

for i in range(5,10):
    print(i)

for i in range(10,21,2):
    print(i)

print('-------------------')

for i in range(3):
    for j in range(4):
        print(i, ' * ', j, ' = ', i*j)
        
print('-------------------')

for i in range(3):
    print(i)

print('-------------------')

for i in range(4):
    print(i)
