734B - Anton and Digits - CodeForces Solution

k2,k3,k5,k6=[int(_) for _ in input().split()]
suma=0
if min(k5,k6)!=0 and k2>0:
    suma=min(k2, min(k5,k6))*256
if k3>0 and k2-min(k2, min(k5,k6))>0:
    suma+=min(k3,k2-min(k2, min(k5,k6)))*32
print(suma)