// code placeholder
pipeline {
 agent any
 parameters {
  choice(choices: 'NO\nEVEN\nODD', description: '', name: 'A')
  choice(choices: 'NO\nEVEN\nODD', description: '', name: 'B')
 }
 environment {
  A = "${params.A}"
  B = "${params.B}"
 }
 stages {
  stage('ParallelStages') {
   parallel {
    stage('Stage A') {
     when {
      anyOf {
       environment name: 'A', value: 'EVEN'
       environment name: 'A', value: 'ODD'
      }
     }
    steps {
     echo "Running Stage A"
     sleep 10
     echo "Finishing Stage A"
    }
   }
   stage('Stage B') {
    when {
     anyOf {
      environment name: 'B', value: 'EVEN'
      environment name: 'B', value: 'ODD'
     }
    }
    steps {
     echo "Running Stage B"
     sleep 30
     echo "Finishing Stage B"
     }
    }
   }
  }
 }
}