hdu 1085

#include <iostream>#include <cstring>#define mem(x, k) ((x), (k), sizeof(x))#define M 8010using namespace std;int g[M], G[M], x[4], u[4] = {0,1,2,5};int main(){int n, i, l;while (~scanf("%d%d%d", &x[1], &x[2], &x[3])){if (x[1] + x[2] + x[3] == 0) break;n = x[1] + x[2] * 2 + x[3] * 5;for (i=0; i<=n; ++i){G[i] = g[i] = 0;}G[0] = 1; l = 0;for (i=1;i<=3;++i){l += u[i] * x[i];for (int j=0;j<=l;++j)for (int k=0; k<=x[i]; ++k){g[k*u[i]+j] += G[j];}for(int i=0; i<=l; ++i){G[i] = g[i];g[i] = 0;}}for (i=1;i<=n;++i){if (!G[i]) break;}printf("%d\n", i);}return 0;}