#include "stdio.h"
#include "rectangle.h"
#include "rectangle.h"

int main() {
    struct Rectangle rect;
    scanf("%f %f %f %f", &rect.x1, &rect.y1, &rect.x2, &rect.y2);
    printf("%f", perimetr(rect));
    printf("%f", area(rect));
    return 0;
}
////
#ifndef LABA11_RECTANGLE_H
#define LABA11_RECTANGLE_H

struct Rectangle
{
    float x1, y1;
    float x2, y2;
};

float perimetr(struct Rectangle rect);
float area(struct Rectangle rect);

#endif
///
#include "rectangle.h"

float perimetr(struct Rectangle rect)
{
    float per = 2 * ((rect.x2 - rect.x1) + (rect.y2 - rect.y1));
    return per;
}

float area(struct Rectangle rect)
{
    float ar = (rect.x2 - rect.x1) * (rect.y2 - rect.y1);
    return ar;
}