Previous max

a=[]
n = 3
for i in range(0,n):
    a.append(int(input()))
max1 = -32767
for i in range(0,n):
    if a[i] > max1:
        max2 = max1
        max1 = a[i]
    if a[i]!=max1 and a[i]>max2:
        max2 = a[i]

print(max2)