main.c

#include <stdio.h>
#include <stdlib.h>
 
int n;
int e, r, s;
int m, p, l;
int m2, p2, l2;
 
int i;
 
int main(int argc, char *argv[])
{
  while (scanf("%d %d %d %d %d %d %d", &m, &p, &l, &e, &r, &s, &n) == 7)
  {
      for (i = 0; i < n; i++)
      {
          l2 = m * e;
          p2 = l / r;
          m2 = p / s;
          m = m2;
          p = p2;
          l = l2;
      }
      printf("%d\n", m);
  }
  return 0;
}