int main() {
     int pass; 
     printf("which subject you pass in if 1 you pass science , if 2 you pass in math ,if 3 you pass in math and science \n"); 
     scanf("%d",&pass); 
     if(pass==1){
         printf("you got price of 45");
         }
         else if(pass==2){ 
             printf("you got price of 15"); 
             } 
         else if(pass==3){ 
             printf("you got price of 15"); 
             }
         else{
             printf("you are fail");
             }
}