why wont this work?

Code:
#include <iostream>
using namespace std;

int main()
{
    int score;
    float distance, EngineTemp;
    short lives, alienskilled;
    char playagain;
    
    score = 0;                        
    distance = 1200.76;
    lives = 3;
    alienskilled = 10;
    EngineTemp = 6572.89;
    playagain = 'y';
    
    cout << "score: "                 << score <</n; 
    cout << "distance: "               << distance <</n;
    cout << "play again: "               <<playagain <</n;
    cout << "lives: "                   <<lives <</n;
    cout << "ailenskilled: "          <<ailenskilled: <</n;
    cout << "Engine Tempature is: "   << EngineTemp <</n;
    
    int fuel;
    cout << "/nhow much fuel is left: ";
    cin >> fuel;
    cout >> "fuel: "  << fuel <<endl;
    
    typedef unsigned short int bonus;
    bonus = 10;
    cout <<"/nbonus: "  << bonus << endl;
    
    return 0;
}