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