Help me in solving PPSC11 problem

My issue

need answer

My code

#include <stdio.h>

int main(void) {
int a,b;
a=11;
b=13;
int c=a*b;
printf("Area of the rectangle is:%d\n",c);
int d=2*(a+b);
printf("Perimeter of the rectangle is:%d",d);//your code goes here

}


Learning course: CSEIPFOIA: Programming and Problem Solving
Problem Link: Area & Perimeter of Rectangle Practice Problem in CSEIPFOIA: Programming and Problem Solving - CodeChef