#include <stdio.h>
#include <string>
#include <cstring>
#include <stdlib.h>
#include <math.h>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <list>
#include <iterator>
#include <assert.h>
#pragma warning(disable:4996) 

typedef long long ll;
#define MIN(a, b) ((a)>(b)? (b): (a))
#define MAX(a, b) ((a)<(b)? (b): (a))
#define LINF 9223300000000000000
#define INF 2140000000
const long long MOD = 1000000007;
using namespace std;


int main(int argc, char* argv[])
{
    char str0[5]={0},str1[5]={0};
    scanf("%s%s", str0, str1);
    bool a=false, b=false;
    if(strcmp(str0,"Sat")==0 || strcmp(str0,"Sun")==0) a = true;
    if(strcmp(str1,"Sat")==0 || strcmp(str1,"Sun")==0) b = true;
    if(a && !b) printf("8/32\n");
    else if(a && b) printf("8/33\n");
    else printf("8/31\n");


    return 0;
}