function Main(input:string) {
    //console.log(input)
    const oridata=input.split("\n")[1]
    const datas=oridata.split(' ').map(i=>Number(i));
    const Answer=datas.reduce(function (accum:number,current:number){
        return accum+current
    },0)

    console.log(Answer)
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));
//Main("3\n1 10 3")