Rock paper scissor game in c code

#include<stdio.h>
void main()
{ int rock=1,paper=2,scissor=3;
 int gamer1,gamer2;
printf("to play the game\n ");
printf("use rock=1,paper=2,scissor=3\n ");
printf("Enter your number: ");
scanf("%d",&gamer1);
printf("enter your 2nd number: ");
scanf("%d",&gamer2);

if(gamer1==gamer2)
{printf("draw ");}
else if(gamer1==rock&&gamer2==paper)
{printf("paper wins ");}
else if(gamer1==scissor&&gamer2==paper)
{printf("scissor wins "); }
else if(gamer1==paper&&gamer2==rock)
{printf("paper wins ");}
else if(gamer1==paper&&gamer2==scissor)
{printf("scissor wins ");}
else if(gamer1==rock&&gamer2==scissor)
{printf("rock wins ");}
else if(gamer1==scissor&&gamer2==rock)
{printf("rock wins ");}
else
{printf("invalid entery ");}

getch();
}