function solve(input) {
    let char = input.shift();
    input.pop();


    let newName = '';

    for (const line of input) {
      let command = line.split(' ');
      let inNum = Number(command[1]);
        switch (command[0]) {
          case "GladiatorStance":
            char = char.toUpperCase();
            console.log(char)
          break;

          case "DefensiveStance":
            char = char.toLowerCase();
            console.log(char);
          break;

          case "Dispel":
            if (char.length > inNum) {
              let toBeReplaced = char.charAt(inNum)
              char = char.replace(toBeReplaced, command[2])
              console.log("Success!");
            } else {
              console.log('Dispel too weak.')
            }
          break;

          case "Target":
            if (command[1] === 'Change') {
              let replaceWord = command[2]
              let replacement = command[3];
              char = char.replace(replaceWord, replacement);
              console.log(char);
            }

            if (command[1] === 'Remove') {
              let removeWord = command[2];
              char = char.replace(removeWord,'');
              console.log(char)
            }
          break;

          default:
            console.log("Command doesn't exist!");
          break;
    }
  }
}