/*Name : Adrian Stefan Mares

School : Cygnus Computer

Grade : 7

Junior 5 Division Contest #1

Language : C++

*/

#include<cstdio>

using namespace std;

int whorl [] = { 0,16,16,8,8,4,4,2,2,1,1 };

int main()

{

freopen("prints.in","r",stdin);

freopen("prints.out","w",stdout);

int tmp,a,b,i;

char tmp2;

for(i=1;i<=5;++i)

{

a=b=1;

scanf("%d%c ",&tmp,&tmp2);

while(tmp!=0)

{

if(tmp%2==0) a+=whorl[tmp];

else b+=whorl[tmp];

scanf("%d%c ",&tmp,&tmp2);

}

printf("%d/%d\n",a,b);

}

return 0;

}