const inputs = require("fs").readFileSync(0, "utf8").toString().split("\n"); const [n, m] = inputs[0].split(" ").map(Number); let arr = Array.from({length:n}, (_,i) => i+1); let i,j,temp; for(let t=1; t<=m; t++){ [i,j] = inputs[t].split(" "); temp = arr[i-1]; arr[i-1] = arr[j-1]; arr[j-1] = temp; } console.log(...arr);