process.stdin.resume();
process.stdin.setEncoding('ascii');

var input_stdin = "";
var input_stdin_array = "";
var input_currentline = 0;

process.stdin.on('data', function (data) {
    input_stdin += data;
});

process.stdin.on('end', function () {
    input_stdin_array = input_stdin.split("\n");
    main();
});

function readLine() {
    return input_stdin_array[input_currentline++];
}

/////////////// ignore above this line ////////////////////

function camelcase(s) {
    // Complete this function
    var total=0, m=0;
    var aux;

    for(i=0; i<s.length; i++){
        aux = s[i].toUpperCase();
        if(s[i]===aux){
            m++;
        }
    }
    return m + 1;
}

function main() {
    var s = readLine();
    var result = camelcase(s);
    process.stdout.write("" + result + "\n");

}