a,b = map(int,input().split())
c=a
d=b
c=c+d
d=c-d
c=c-d
print(c,d)

PI = 3.1415926
t = 56.789
print("PI=",PI)
print("%.3f - %.2f" %(PI,t))

name = '张三'
age = 22
m = 2.34
#格式化"张三今年22岁,今天有零钱2.34元"
print("%s今年%d岁,今天有零钱%.2f元" % (name,age,m))
print("{}今年{}岁,今天有零钱{}元".format(name,age,m))
print("{0}今年{1}岁,今天有零钱{2}元".format(name,age,m))

print(f"{name}今年{age}岁,今天有零钱{m}元")

name="张三"
age=22
m=2.34
print("%s今年%d岁,今天有零钱%.2f"  % (name,age,m))
print("{}今年{}岁，今天有零线{}".format(name,age,m))
print("{0}今年{1}岁，今天有零线{2}".format(name,age,m))

print(f"{name}今年{age}岁，今天有零线{m}")  #format

PI = 3.1415926
t = 56.789
print("PI=",PI)
print("%.3f - %.2f"  %(PI ,t))

name = '张三'
age = 22
m = 2.34
# "张三今年22岁,今天有零钱2.34元"
print("%s今年%d岁,今天有零钱%.2f"  % (name,age,m))
print("{}今年{}岁，今天有零线{}".format(name,age,m))
print("{0}今年{1}岁，今天有零线{2}".format(name,age,m))

print(f"{name}今年{age}岁，今天有零线{m}")  #format

# a=input()
# b,c = a.split()
# b,c= input().split()
# b,c=map(int,input().split())
txt=input().split
print("b=",b,type(b))
print("c=",c,type(c))

解脱者（R）准备就绪

# a = input()
# b = input()
# print(a , b)
# 从一行内获取多个数据

# a = input()
# b,c = a.split()
#使用 空格 分隔 字符串
# b,c = input().split(",")
# b = int(b)
# c = int(c)
# b,c = map(int, ["123","456"])
# b,c=map(int,input().split(","))

txt = input().split(",")
b,c = map(int ,txt)


print("b=",b,type(b))
print("c=",c,type(c))

# a = input()
# b,c = a.split()
# b,c = input().split(",")

txt = input().split(",")
b,c = map(int ,txt)


print("b=",b,type(b))
print("c=",c,type(c))

b,c = input().split(",")
b,c = map(int,["123","456"])
print(b,c)