try yourself |run program

#include <stdio.h>
#include <conio.h>

void main(){
 int a,b,c;
 int m = 100;
 int *p1,*p2;
 clrscr();
 printf("\n enter value of a: ");
 scanf("%d",&a);
 printf("\n enter value of b: ");
 scanf("%d",&b);
 p1 = &a;
 p2 = &b;
 c = *p1 + *p2 + m;
 printf("\nvalue of c= %d",c);
 getch();
}

Program Output

enter value of a: 10
enter value of b: 20 
value of c= 130