6 6
 1 4
 4 4
 3 3
 6 4
 6 3
 5 4
 5 6
 3 4
 1 3
 3 2
 5 5
 1 1
 2 1
 3 1
 3 5
 1 6
 6 5
 2 3
 4 3
 2 2
 3 6
 1 2
 6 1
 2 5
 4 5
 1 5
 6 2
 4 6
 5 1
 4 1
 5 2
 2 4
 2 6
 5 3

1/6
 1/2
 1/2
 2/3
 1/6
 1/6
 1/3
 1/6
 1/2
 2/3
 2/3
 1/3
 1/1
 5/6
 2/3
 1/3
 1/6
 1/6
 2/3
 1/2
 5/6
 1/6
 5/6
 1/6
 1/3
 1/3
 1/3
 1/6
 1/6
 1/3
 1/2
 1/3
 1/2
 1/6
 1/3

var inputs, res, max, numerator;

inputs = readline().split(' ').map(Number);

if (inputs[0] > inputs[1])
    max = inputs[0];
else
    max = inputs[1];
numerator = 6 - max + 1;

res = reduce(numerator, 6);


print(`${res[0]}/${res[1]}`);
print(res[0] + '/' + res[1]);



function reduce(numerator, denominator) {
    var gcd = function gcd(a, b) {
        return b ? gcd(b, a % b) : a;
    };
    gcd = gcd(numerator, denominator);
    return [numerator / gcd, denominator / gcd];
}





