const rl = require('readline').createInterface({
    input:process.stdin
})
rl.on('line',line=>{
    var nodeArr = line.split(' ')
    var len = nodeArr.splice(0,1)[0]
    var firstNode = nodeArr.splice(0,1)[0]
    var delNode = nodeArr.pop()
    // console.log(nodeArr)
    var newTable =[]
    newTable.push(firstNode)
    for(i=0;i<nodeArr.length;i+=2){
        newTable.splice(newTable.indexOf(nodeArr[i+1])+1,0,nodeArr[i])
    }
    newTable.splice(newTable.indexOf(delNode),1)
    console.log(newTable.join(' '))
})