Bad Code T9 keypad submission

#include <iostream>
#include <vector>

/*
|-----------------------|
|   1   |   2   |   3   |
|  .,?! |  abc  |  def  |
|-----------------------|
|   4   |   5   |   6   |
|  ghi  |  jkl  |  mno  |
|-----------------------|
|   7   |   8   |   9   |
|  pqrs |  tuv  |  wxyz |
|-----------------------|
|   *   |   0   |   #   |
|  '-+= |   ⎵  |  case |
|-----------------------|
 */

int main()
{
    std::string word = "Hello, world!";
    char* current = &word.at(0);

    letter:if (*current == '.')
    {
        std::cout << "1";
    }
    if (*current == ',')
    {
        std::cout << "11";
    }
    if (*current == '?')
    {
        std::cout << "111";
    }
    if (*current == '!')
    {
        std::cout << "1111";
    }
    if (*current == 'a')
    {
        std::cout << "2";
    }
    if (*current == 'b')
    {
        std::cout << "22";
    }
    if (*current == 'c')
    {
        std::cout << "222";
    }
    if (*current == 'd')
    {
        std::cout << "3";
    }
    if (*current == 'e')
    {
        std::cout << "33";
    }
    if (*current == 'f')
    {
        std::cout << "333";
    }
    if (*current == 'g')
    {
        std::cout << "4";
    }
    if (*current == 'h')
    {
        std::cout << "44";
    }
    if (*current == 'i')
    {
        std::cout << "444";
    }
    if (*current == 'j')
    {
        std::cout << "5";
    }
    if (*current == 'k')
    {
        std::cout << "55";
    }
    if (*current == 'l')
    {
        std::cout << "555";
    }
    if (*current == 'm')
    {
        std::cout << "6";
    }
    if (*current == 'n')
    {
        std::cout << "66";
    }
    if (*current == 'o')
    {
        std::cout << "666";
    }
    if (*current == 'p')
    {
        std::cout << "7";
    }
    if (*current == 'q')
    {
        std::cout << "77";
    }
    if (*current == 'r')
    {
        std::cout << "777";
    }
    if (*current == 's')
    {
        std::cout << "7777";
    }
    if (*current == 't')
    {
        std::cout << "8";
    }
    if (*current == 'u')
    {
        std::cout << "88";
    }
    if (*current == 'v')
    {
        std::cout << "888";
    }
    if (*current == 'w')
    {
    std::cout << "9";
    }
    if (*current == 'x')
    {
    std::cout << "99";
    }
    if (*current == 'y')
    {
    std::cout << "999";
    }
    if (*current == 'z')
    {
    std::cout << "9999";
    }
    if (*current == ',')
    {
    std::cout << "*";
    }
    if (*current == '-')
    {
    std::cout << "**";
    }
    if (*current == '+')
    {
    std::cout << "***";
    }
    if (*current == '=')
    {
    std::cout << "****";
    }
    if (*current == ' ')
    {
    std::cout << "0";
    }
    std::vector<char> caps = { 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z' };
    for (int i = 0; i < caps.size(); i++)
    {
        if (*current == word.at(word.size() - 1)) {
            goto end;
        }
            if (*current == caps.at(i))
            {
                std::cout << "#_";
                if (*current == 'A')
                {
                    std::cout << "2";
                }
                if (*current == 'B')
                {
                    std::cout << "22";
                }
                if (*current == 'C')
                {
                    std::cout << "222";
                }
                if (*current == 'D')
                {
                    std::cout << "3";
                }
                if (*current == 'E')
                {
                    std::cout << "33";
                }
                if (*current == 'F')
                {
                    std::cout << "333";
                }
                if (*current == 'G')
                {
                    std::cout << "4";
                }
                if (*current == 'H')
                {
                    std::cout << "44";
                }
                if (*current == 'I')
                {
                    std::cout << "444";
                }
                if (*current == 'J')
                {
                    std::cout << "5";
                }
                if (*current == 'K')
                {
                    std::cout << "55";
                }
                if (*current == 'L')
                {
                    std::cout << "555";
                }
                if (*current == 'M')
                {
                    std::cout << "6";
                }
                if (*current == 'N')
                {
                    std::cout << "66";
                }
                if (*current == 'O')
                {
                    std::cout << "666";
                }
                if (*current == 'P')
                {
                    std::cout << "7";
                }
                if (*current == 'Q')
                {
                    std::cout << "77";
                }
                if (*current == 'R')
                {
                    std::cout << "777";
                }
                if (*current == 'S')
                {
                    std::cout << "7777";
                }
                if (*current == 'T')
                {
                    std::cout << "8";
                }
                if (*current == 'U')
                {
                    std::cout << "88";
                }
                if (*current == 'V')
                {
                    std::cout << "888";
                }
                if (*current == 'W')
                {
                    std::cout << "9";
                }
                if (*current == 'X')
                {
                    std::cout << "99";
                }
                if (*current == 'Y')
                {
                    std::cout << "999";
                }
                if (*current == 'Z')
                {
                    std::cout << "9999";
                }
            }
    }
    if (*current == word.at(word.size()-1))
    {
        goto end;
    }
    std::cout << "_";
    current++;
    goto letter;
    end:std::cout << "\r\n";
}