#!/usr/bin/env python3
import sys
input = sys.stdin.readline

l = int(input())
m = int(input())
n = int(input())

total = l * 100 + m * 25 + n
ans = 0
total %= 1000
ans += total // 100; total %= 100
ans += total // 25; total %= 25
ans += total

print(ans)