Help me in solving PPSC11 problem

My issue

ive done what ive asked but still it shows my answer as incorrect

My code

#include <stdio.h>

int main(void) {
	// your code goes here
printf("\n area of rectangle:%d",143);
printf("\n perimeter of rectangle:%d",24);
}


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