function Main(input) {
    const foo = input.split(" ");
    const A = parseInt(foo[0]);
    const B = parseInt(foo[1]);
    const S = input[1];
    const cal = A + B;
    
    console.log(cal + S);
    
}

// Don't edit this line!
Main(require("fs").readFileSync("/dev/stdin", "utf8"));