#include <stdio.h>
// Please help me I am unable to get the problem
int main()
{ char a;
printf("which subject you have passed?\n 1.Maths\n 2.Science\n 3.Both maths and science\n");
scanf("%d", &a);

if (a=1) {
printf("You will get 20 rupees");}
else if (a=2) {
printf("You will get 20 rupees");}
else (a=3) {
printf("You will get 50 rupees");}
}