K = 0 #1000円札の枚数
L = int(input()) #100円硬貨の枚数
M = int(input()) #25円硬貨の枚数
N = int(input()) #1円硬貨の枚数

#x 両替対象の硬貨
#y 両替後対象の硬貨/紙幣
#z1 両替前の硬貨の金額
#z2 両替後の硬貨/紙幣の金額
def Exchange(x,y,z1,z2):
    if (x * z1) % z2 == 0:
        return 0, int(y + x // (z2 / z1))
    else:
        return int(x % (z2 / z1)), int(y + x // (z2 / z1))

if N < 25:
    if M >= 4:
        M, L = Exchange(M, L, 25, 100)
        if 10 <= L <= 1000:
            L, K = Exchange(L, K, 100, 1000)
elif 25 <= N <= 1000:
    N, M = Exchange(N, M, 1, 25)
    if M >= 4:
        M, L = Exchange(M, L, 25, 100)
        if 10 <= L <= 1000:
            L, K = Exchange(L, K, 100, 1000)
else:
    pass
print(K + L + M + N)