function solve(input) {
  let str = input.shift()
  for(let element of input){
    if(element === 'End'){
          break
    }
    if(element.includes('Translate')){
        let [command, char, replacement] = element.split(' ')
        if(str.includes(char)){
            str = str.split(char)
            str = str.join(replacement)
            console.log(str)
        }
    }
    else if(element.includes('Includes')){
        let [command, subStr] = element.split(' ')
        if(str.includes(subStr)){
            console.log('True');
        }
        else{
            console.log('False');
        }
    }
    else if(element.includes('Start')){
        let [command, subStr] = element.split(' ')
        if(str.indexOf(subStr) === 0){
            console.log('True');
        }
        else{
            console.log('False');
        }
    }
    else if(element.includes('FindIndex')){
        let [command, char] = element.split(' ')
        let lastIndex = str.lastIndexOf(char)
        if(lastIndex !== -1){
            console.log(lastIndex);
        }
    }
    else if(element.includes('Remove')){
        let [command, startIndex, count] = element.split(' ')
        startIndex = +startIndex
        count = +count
        str = str.split('')
        str.splice(startIndex, count)
        str = str.join('')
        console.log(str);
    }
    else if(element === 'Lowercase'){
        str = str.toLowerCase()
        console.log(str);
    }
  }
}