#include <stdio.h>

using namespace std;

int main()
{
    int coin100, coin25, coin1;
    scanf("%d%*c%d%*c%d", &coin100, &coin25, &coin1);

    int coin1x25_set = coin1 / 25;

    coin25 += coin1x25_set;
    coin1 -= coin1x25_set * 25;

    int coin25x4_set = coin25 / 4; 
    coin100 += coin25x4_set;
    coin25 -= coin25x4_set * 4;

    coin100 -= coin100 / 10 * 10;

    printf("%d\n", coin1 + coin25 + coin100);
}