#include <stdio.h>
int main() {
int a,b,c,d,e,max,min,C;
scanf("%d%d%d%d%d",&a,&b,&c,&d,&e);
min = a;
if(b<=min)
min = b;
if(c<=min)
min = c;
if(d<=min)
min = d;
if(e<=min)
min = e;
max = a;
if(b>=max)
min = b;
if(c>=max)
min = c;
if(d>=max)
min = d;
if(e>=max)
min = e;
C=max+min;
printf("%d",C);
return 0;
}