function solve(arr){
    let mainArr = arr.shift().split(' ').map(Number);

    for(let i = 0; i < arr.length; i++){
       let currentEl = arr[i].split(' ');
       let command = currentEl[0];
       let value = +currentEl[1];
       if(command === "Add"){
          mainArr.push(value)
       }else if(command === "RemoveAt"){
          mainArr.splice(value,1);
       }else if(command === "Insert"){
          let insertIndex = +currentEl[2];
          mainArr.splice(insertIndex,0,value)
       }else if(command === "Remove"){
          let numberIndex = mainArr.indexOf(value);
          mainArr.splice(numberIndex,1);
       }
    }
    console.log(mainArr.join(" "))

}