Arul and Kani own the farm in the beautiful location of the city were lot of cows was roaming around. One day Arul and Kani was out of the city. On that day cows have eaten the grasses in the farm which is circular in structure.

 Arul and Kani own the farm in the beautiful location of the city were lot of cows was roaming around. One day Arul and Kani was out of the city. On that day cows have eaten the grasses in the farm which is circular in structure. 

#include <stdio.h>

int main()

{float rad;

float PI=3.14,area,ci;

scanf("%f",&rad);

area=PI*rad*rad;

ci=2*PI*rad;

printf("%.2f\n%.2f",area,ci);

return 0;

}