/*#include <stdio.h>
int main()
{
printf("Hello");
return;
}*/
/*#include<stdio.h>
int main()
{
printf("Hello World");
return 0;
}*/
/*#include<stdio.h>
int main()
{
printf("Hello\nWorld");
return 0;
}*/
/*#include<stdio.h>
int main()
{
printf("\'Hello\'");
return 0;
}*/
/*#include<stdio.h>
int main()
{
printf("\"Hello World\"");
return 0;
}*/
/*#include<stdio.h>
int main()
{
printf("\"!@#$%%^&*()\"");
return 0;
}*/
/*#include<stdio.h>
int main()
{
printf("\"C:\\Download\\hello.cpp\"");
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a;
scanf("%d", &a);
printf("%d", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
char a;
scanf("%c", &a);
printf("%c", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
float a;
scanf("%f", &a);
printf("%f", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a, b;
scanf("%d %d", &a, &b);
printf("%d %d", a, b);
return 0;
}*/
/*#include<stdio.h>
int main()
{
char a, b;
scanf("%c %c", &a, &b);
printf("%c %c", b, a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
float a;
scanf("%f", &a);
printf("%.2f", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a;
scanf("%d", &a);
printf("%d %d %d", a, a, a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a, b;
scanf("%d:%d", &a, &b);
printf("%d:%d", a, b);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int y, m, d;
scanf("%d.%d.%d", &y, &m, &d);
printf("%04d.%02d.%02d", y, m, d);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a, b;
scanf("%d-%d", &a, &b);
printf("%06d%06d", a, b);
return 0;
}*/
/*#include<stdio.h>
int main()
{
char data[51]="";
scanf("%s", data);
printf("%s", data);
return 0;
}*/
/*#include<stdio.h>
int main()
{
char data[2001];
gets(data);
printf("%s", data);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a, b;
scanf("%d.%d", &a, &b);
printf("%d\n%d", a, b);
return 0;
}*/
/*#include<stdio.h>
int main()
{
char a[21];
scanf("%s", a);
for(int i=0; a[i]!='\0'; i++)
{
printf("\'%c\'\n", a[i]);
}
return 0;
}*/
/*#include<stdio.h>
int main()
{
int arr[1000]= {}, a=0;
for(int i=0; i<=4; i++)
scanf("%1d", &arr[i]);
for(int i=10000; i>=1; i/=10)
{
printf("[%d]\n", arr[a]*i);
a++;
}
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a, b, c;
scanf("%d:%d:%d", &a, &b, &c);
printf("%d", b);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int y, m ,d;
scanf("%4d.%2d.%2d", &y, &m, &d);
printf("%02d-%02d-%4d", d, m, y);
return 0;
}*/
/*#include<stdio.h>
int main()
{
unsigned int a;
scanf("%u", &a);
printf("%u", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
double a;
scanf("%lf", &a);
printf("%.11lf", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
long long int a;
scanf("%lld", &a);
printf("%lld", a);
return 0;
}
*/
/*#include<stdio.h>
int main()
{
int a;
scanf("%d", &a);
printf("%o", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a;
scanf("%d", &a);
printf("%x", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a;
scanf("%d", &a);
printf("%X", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a;
scanf("%o", &a);
printf("%d", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a;
scanf("%x", &a);
printf("%o", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
char a;
scanf("%c", &a);
printf("%d", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a;
scanf("%d", &a);
printf("%c", a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
long long int a, b;
scanf("%lld %lld", &a, &b);
printf("%lld", a+b);
return 0;
}*/
/*#include<stdio.h>
int main()
{
long long int a, b;
scanf("%lld %lld", &a, &b);
printf("%lld", a+b);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a;
scanf("%d", &a);
printf("%d", -a);
return 0;
}*/
/*#include<stdio.h>
int main()
{
char a;
scanf("%c", &a);
printf("%c", a+1);
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a, b;
scanf("%d %d", &a, &b);
printf("%d", a/b);
}*/
/*#include<stdio.h>
int main()
{
int a, b;
scanf("%d %d", &a, &b);
printf("%d", a%b);
return 0;
}*/
/*#include<stdio.h>
int main()
{
long long int a;
scanf("%lld", &a);
printf("%lld", ++a);
return 0;
}*/
/*
#include<stdio.h>
int main()
{
long long int a, b;
scanf("%lld %lld", &a, &b);
printf("%lld\n", a+b);
printf("%lld\n", a-b);
printf("%lld\n", a*b);
printf("%lld\n", a/b);
printf("%lld\n", a%b);
printf("%.2lf", (double)a/b);
return 0;
}*/
#include<stdio.h>
int main()
{
long long int a, b, c;
scanf("%lld %lld %lld", &a, &b, &c);
printf("%lld\n", a+b+c);
printf("%.1lf", (double)(a+b+c)/3);
return 0;
}