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