function Main(str) {
    splited = [];
    splited = str.split("");
    console.log(splited);
    for(var i = 0; i < splited.length - 1; i++){
        var goukei = 0
        if(splited[i] == '+'){
            goukei = goukei + 1;
        }
        if(splited[i] == '-'){
            goukei = goukei - 1;
        }
        console.log(goukei);
    }
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));