#include <iostream>

using namespace std;

const char PAPER {'p'},
           SCISSORS {'s'},
           ROCK {'r'};

int main() {

    char player1{'x'},
         player2{'x'};

    cout << "Enter the choice for player 1 (p,s,r) =>";
    cin >> player1;

    cout << "Enter the choice for player 2 (p,s,r) =>";
    cin >> player2;

    cout << endl;
    cout << "The choices are " << player1 << " and " << player2 << endl;

    if ( player1 == PAPER) {
        // we know player1 is paper
        if (PAPER == player2) {
           cout << "It is a tie" << endl;
        } else {
            // we know player 1 is paper and player 2 is not paper.
            if (SCISSORS == player2) {
                cout << "Player 2 wins" << endl;
            } else {
                // player1 = paper, player 2 not paper or scissors
                if (ROCK == player2) {
                   cout << "Player 1 wins" << endl;
                } else {
                   cout << "Player 2 gave bad input" << endl;
                }
            }
        }
         
    } else {
        // we know player1 is not paper
        if (SCISSORS == player1) {
            // player is scissors
            if (SCISSORS == player2) {
                cout << "It is a tie" << endl;
            } else {
                if (PAPER == player2) {
                   cout << "Player 1 wins" << endl;
                } else {
                    if (ROCK == player2) {
                        cout << "Player 2 wins" << endl;
                    } else {
                        cout << "Player 2 gave bad input" << endl;
                    }
                }
            }
        }  else {
            // p1 is not Paper or Scissors
            if (ROCK == player1) {
                if (ROCK == player2) {
                    cout << "It is a tie" << endl;
                } else {
                    if (SCISSORS == player2) {
                        cout << "Player 1 wins" << endl;
                    }  else {
                        if (PAPER == player2) {
                            cout << "Player 2 wins" << endl;
                        } else {
                             cout << "Player 2 gave bad input" << endl;
                        }
                    }
                } 
            } else {
                cout << "Player 1 gave bad input" << endl;
            }
        }
    }

    return 0;
}