#include<stdio.h>
main()
{
	char fin[100], fout[100];
	for(int i = 1 ; i <= 5 ; i++ )
	{
		sprintf(fin,".%d.in",i);
		sprintf(fout,".%d.out",i);
		freopen(fin,"r",stdin);
		freopen(fout,"w",stdout);
		long long a,b,c;
		scanf("%lld%lld%lld",&a,&b,&c);
		printf("%lld\n%.1lf",a+b+c, (a+b+c)/3.0);
	}
}