Find the value of y according to condition:

Find the value of y according to condition: Condition

I tried to do but something is wrong or I did not right so I need some help

#include <stdio.h>

int x,y;


int main()
{
   scanf("%d",&x);
   if (x<5) y=x*x-3*x+4;
      else y= x+7;
    printf("%d",y);
    return 0;
}