(function(input) {
  'use strict';
  input.split("\n").forEach(function(line) {
    var tokens = line.split(' ').map(Number)
    if (tokens.length <= 1) return
    let a = parseInt(tokens[0], 10)
    let b = parseInt(tokens[1], 10)
    let hasEven = (a % 2 == 0) || (b % 2 == 0)
    if (hasEven) {
      console.log('No')
    } else {
      console.log('Yes')
    }
  });
})(require('fs').readFileSync('/dev/stdin', 'utf8'))
