#include <iostream>

using namespace std;

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

int main() {
   char player1, player2;
   bool validInputPlayer1 {true};
   bool validInputPlayer2 {true};
   bool validInput {true};

   cout << "What does player 1 play? (psr) =>";
   cin >> player1;
   cout << "What does player 2 play? (psr) =>";
   cin >> player2;


   if (ROCK== player1 or PAPER==player1 or SCISSORS==player1) {
      validInputPlayer1 = true;
   }  else {
      cout <<  player1 << " is not valid for player 1" << endl;
      validInputPlayer1 = false;
   }

   if (ROCK== player2 or PAPER==player2 or SCISSORS==player2) {
      validInputPlayer2 = true;
   }  else {
      validInputPlayer2 = false;
      cout <<  player2 << " is not valid for player 2" << endl;
   }

   validInput = validInputPlayer1 and validInputPlayer2;

   if(not validInput) {
       cout  << "The input is invalid" << endl;
   } else {

      if (player1 == player2) {
          cout << "It is a tie" << endl;
      } else if (PAPER == player1) {
           if (SCISSORS == player2) {
               cout <<  "Player 2 wins " << endl;
           } else if (ROCK == player2) {
               cout <<  "Player 1 wins " << endl;
           }
      } else if (SCISSORS == player1) {
           if (PAPER == player2) {
               cout <<  "Player 1 wins " << endl;
           } else if (ROCK == player2) {
               cout <<  "Player 2 wins " << endl;
           }
      } else if (ROCK == player1) {
           if (PAPER == player2) {
               cout <<  "Player 2 wins " << endl;
           } else if (SCISSORS == player2) {
               cout <<  "Player 1 wins " << endl;
           }
      }
   }
   return 0;

}