#include #define INF 100000000 int a,b,c,d,e,f; int zrataj(int a0, int b0, int c0, int d0, int e0, int f0) { int cut; cut = INF; if ( ((a0*c0) <= e0) && ((b0*d0) <= f0) ) { cut = (a0*b0-1); if ((a0*c0) < e0) cut++; if ((b0*d0) < f0) cut++; } return cut; } int main() { int min, t; while (1) { scanf("%d %d %d %d %d %d\n",&a,&b,&c,&d,&e,&f); if (a==0) break; min = zrataj(a,b,c,d,e,f); t = zrataj(a,b,d,c,e,f); if (t