function Main (input) {
    var line = input.split(" ");
    var a = +line[0];
    var b = +line[1];

    rapt(a,b);
}

function rapt(a,b){
    for (var i= a; i<= b; i++){
        if( i % 3 == 0){
            console.log(i)
        } else if ( (i + "").indexOf("3") !== -1){
            console.log(i)
        } 
    }
}

Main(require("fs").readFileSync("/dev/stdin", "utf8"));