process.stdin.resume();
process.stdin.setEncoding('utf8');

let lines = [];
let reader = require('readline').createInterface({
  input: process.stdin,
  output: process.stdout
});
reader.on('line', (line) => {
  lines.push(line);
});
reader.on('close', () => {
  value=lines[0].split("")
  let sum=value[0]*value[1];
  if(sum%2===0) console.log("Even");
  else if(sum%3===0) console.log("Odd");
  
});