let input =[5, 11, 22, 11, 22, 11];
let gets = this.gets || ((input, index) => () => input[index++]) (input, 0);
let print = this.print || console.log;

let n = +input.shift();
let str = input.toString().replace(/,/g, ' ').split(' ');
let mergedNum = '';
let squashedNum; // any type
let mergedArr = [];
let squashedArr = [];

for (let i = 0; i < input.length - 1; i++) {
  mergedNum = str[i].charAt(1) + str[i + 1].charAt(0);

  mergedArr.push(mergedNum).toString().split('').map(Number);
}
print(mergedArr.join(' '));

for (let i = 0; i < input.length - 1; i++) {
  let sum = parseInt(str[i].charAt(1)) + parseInt((str[i + 1].charAt(0)) % 10);
  squashedNum = str[i].charAt(0) + sum + str[i + 1].charAt(1);

  squashedArr.push(squashedNum).toString().split('').map(Number);

}
print(squashedArr.join(' '));