소스 코드 제출

'''
이렇게 범위 맨 위랑 맨 아래에 따옴표세개씩 쓰면 범위주석이 됩니다.

'''

# print("hello")

'''
컴파일 :  ctrl + Shift + F10

print('hello')
print("hello")

c나 자바보다 문법이 덜 엄격해.
'''

# print('hello','world','hi',end='0')     # 맨끝에 엔터말고 다른거 나오게하려면 써야하는거
# print('hello','hi',sep=',')             # 콤마로 구분한 애들 사이에 공백말고 다른거나오게


#print('"C:\Download',end="\\")
#print("'Hello'",end='.)
# print('\'printf("' ,end='Hello\\nWorld")')
#a=input()
#print(a)
#a=int(input())
#print(a)
#a=float(input())
#print(a)
'''
a=input()
b=input()
print(a)
print(b)

a=input()
b=input()
print(b)
print(a)

a=float(input())
print(a)
print(a)
print(a)

a,b=input().split()
print(a)
print(b)

a,b=input().split()
print(b,a)
a=input()
print(a,a,a)
h,m=input().split(':')
print(h+":"+m)
y,m,d=input().split('.')
print(d+"-"+m+"-"+y)
a,b=input().split('-')
print(a+b)
a=input()
print(a[0])
print(a[1])
print(a[2])
print(a[3])
print(a[4])
a=input().split(':')
print(a[1])
a=input()
print(a[0:2],a[2:4],a[4:6])
a,b=input().split()
print(a+b)
a,b=input().split()
print(int(a)+int(b))
a=float(input())
b=float(input())
print(a+b)
a,b=input().split()
a=int(a)
b=int(b)
print(a-b)
a,b=input().split()
a=float(a)
b=float(b)
print(a*b)
a,b=input().split()
b=int(b)
print(a*b)
a=int(input())
b=input()
print(b*a)
a,b=input().split()
a=int(a)
b=int(b)
print(a**b)
a,b=input().split()
a=float(a)
b=float(b)
print(a**b)
a,b=input().split()
a=int(a)
b=int(b)
print(a//b)
a,b=input().split()
a=int(a)
b=int(b)
print(a%b)
a=input()
a=float(a)
print(format(a,".2F"))
a,b=input().split()
a=float(a)
b=float(b)
c=a/b
print(format(c,".3f"))
a,b=input().split()
a=int(a)
b=int(b)
print(a+b)
print(a-b)
print(a*b)
print(a//b)
print(a%b)
print(format(a/b,".2f"))'''
a,b,c=input().split()
a=int(a)
b=int(b)
c=int(c)
P=a+b+c
print(P,end=' ')
print(format(P/3,".2f"))