function solve(input = []){

    let tanks = input.shift().split(`, `);
    let commandsCount = input.shift();

    for(let i = 0; i < commandsCount; i++){

        let tokens = input.shift().split(`, `);
        let action = tokens[0];
        let nameOrIndex = tokens[1];
        let secondName = tokens[2];

        if(action === `Add`){
            if(tanks.includes(nameOrIndex)){
                console.log(`Tank is already bought`);
            }
            else{
                tanks.push(nameOrIndex);
                console.log(`Tank successfully bought`);
            }
        }
        else if(action === `Insert`){
            let index = Number(nameOrIndex);
            if(!tanks[index]){
                console.log(`Index out of range`);
            }
            else{
                if(!tanks.includes(secondName)){
                    tanks.splice(index, 0, secondName)
                    console.log(`Tank successfully bought`);
                }
                else{
                    console.log(`Tank is already bought`);
                }
            }
        }
        else if(action === `Remove`){
            if(tanks.includes(nameOrIndex)){
                tanks.splice(tanks.indexOf(nameOrIndex), 1)
                console.log(`Tank successfully sold`);
            }
            else{
                console.log(`Tank not found`);
            }
        }
        else if(action === `Remove At`){
            let index = Number(nameOrIndex);
            if(!tanks[index]){
                console.log(`Index out of range`);
            }
            else{
                tanks.splice(index, 1)
                console.log(`Tank successfully sold`);
            }
        }
    }
    console.log(tanks.join(`, `))
}

/*solve([`T-34-85 Rudy, SU-100Y, STG`,
`3`,
`Add, King Tiger(C)`,
`Insert, 2, IS-2M`,
`Remove, T-34-85 Rudy`,
])*/

solve([`T 34, T 34 B, T92, AMX 13 57`,
`4`,
`Add, T 34`,
`Remove, AMX CDC`,
`Insert, 10, M60`,
`Remove At, 1`
])