sablona.cc
#include <cstdio>
#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <string>
#include <cmath>
#include <cstdlib>
#include <cstring>
#include <sstream>
#include <stdio.h>
#include <ctype.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
using namespace std;
#define X first
#define Y second
#define MP make_pair
#define PB push_back
#define SZ size
int main(void)
{
int a, b, c, d, e, f, g, aa, i;
while (scanf("%d %d %d %d %d %d %d", &a, &b, &c, &d, &e, &f, &g) > 0) {
for (i = 0; i < g; i++) {
aa = a;
a = b / f;
b = c / e;
c = aa * d;
}
printf("%d\n", a);
}
return 0;
}