// your code goes here
// AS-IS
var a1 = 1;
var b1 = 2;
var rst1 = a1 + b1;
var str1 = a1 + ' 더하기 ' + b1 + '은 \'' + rst1 + '\'' + ' 이다.';
console.log(str1);
// TO-DO
const a2 = 1;
const b2 = 2;
const rst2 = a2 + b2;
const str2 = `${a2} 더하기 ${b2}는 '${rst2}' 이다.`;
console.log(str2);
Ly8geW91ciBjb2RlIGdvZXMgaGVyZQoKLy8gQVMtSVMKdmFyIGExID0gMTsKdmFyIGIxID0gMjsKdmFyIHJzdDEgPSBhMSArIGIxOwp2YXIgc3RyMSA9IGExICsgJyDrjZTtlZjquLAgJyArIGIxICsgJ+ydgCBcJycgKyByc3QxICsgJ1wnJyArICcg7J2064ukLic7CmNvbnNvbGUubG9nKHN0cjEpOwogCi8vIFRPLURPCmNvbnN0IGEyID0gMTsKY29uc3QgYjIgPSAyOwpjb25zdCByc3QyID0gYTIgKyBiMjsKY29uc3Qgc3RyMiA9IGAke2EyfSDrjZTtlZjquLAgJHtiMn3ripQgJyR7cnN0Mn0nIOydtOuLpC5gOwpjb25zb2xlLmxvZyhzdHIyKTs=