function main(input) 
{
    input = input.split(" ");
    var a = parseInt(input[0], 10);
    var b = parseInt(input[1], 10);
    var x = a * b;
    x %= 2;
    if (x == 1)
    {
        console.log("odd");
    }
    else
    {
        console.log("even");
    }
}
main(require('fs').readFileSync('/dev/stdin', 'utf8'));