"""
the first program for python learning by Shuzhe Li
"""
print('hello world')
"""
import turtle
"""
# import turtle
#
# turtle.pensize(4)
# turtle.pencolor('red')
#
# turtle.forward(100)
# turtle.right(90)
# turtle.forward(100)
# turtle.right(90)
# turtle.forward(100)
# turtle.right(90)
# turtle.forward(100)
#
# turtle.mainloop()
#
#
# a = 100
# b = 12.345
# c = 1 + 5j
# d = 'hello, world'
# e = True
# print(type(a))    # <class 'int'>
# print(type(b))    # <class 'float'>
# print(type(c))    # <class 'complex'>
# print(type(d))    # <class 'str'>
# print(type(e))    # <class 'bool'>

a = int(input('a ='))
print(a + 1)
b = int(input('b = '))
print('%d + %d = %d' % (a, b, a + b))
print('%d+%d=%d' % (a, b, a*b))