mosquito.cpp
#include <cstdio>
#include <string>
int main(void){
int m,p,l,e,r,s,n;
while (scanf("%d %d %d %d %d %d %d",&m,&p,&l,&e,&r,&s, &n)==7){
int tmp = 0;
for(int i = 0; i<n; i++){
tmp = m;
m = p/s;
p = l/r;
l = tmp*e;
}
//vysledek
printf("%d\n", m);
}
return 0;
}