#include <bits/stdc++.h>
using namespace std;
class perimeter{
public:
int a,b,c;
void triangle();
void rectangle();
void square();
void circle();
};
void perimeter::triangle(){
cout<<"The perimeter of triangle is: "<<a+b+c<<endl;
}
void perimeter::rectangle(){
cout<<"The perimeter of rectangle is: "<< 2*(a+b) <<endl;
}
void perimeter::square(){
cout<<"The perimeter of square is: "<< 4*a <<endl;
}
void perimeter::circle(){
cout<<"The perimeter of circle is: "<< 2*3.1416*a <<endl;
}
int main()
{
perimeter aa;
cin>>aa.a>>aa.b>>aa.c;
aa.triangle();
aa.rectangle();
aa.circle();
aa.square();
return 0;
}
I2luY2x1ZGUgPGJpdHMvc3RkYysrLmg+CnVzaW5nIG5hbWVzcGFjZSBzdGQ7CgpjbGFzcyBwZXJpbWV0ZXJ7CiAgICBwdWJsaWM6CiAgICBpbnQgYSxiLGM7CiAgICB2b2lkIHRyaWFuZ2xlKCk7CiAgICB2b2lkIHJlY3RhbmdsZSgpOwogICAgdm9pZCBzcXVhcmUoKTsKICAgIHZvaWQgY2lyY2xlKCk7Cn07Cgp2b2lkIHBlcmltZXRlcjo6dHJpYW5nbGUoKXsKICAgIGNvdXQ8PCJUaGUgcGVyaW1ldGVyIG9mIHRyaWFuZ2xlIGlzOiAiPDxhK2IrYzw8ZW5kbDsKfQp2b2lkIHBlcmltZXRlcjo6cmVjdGFuZ2xlKCl7CiAgICBjb3V0PDwiVGhlIHBlcmltZXRlciBvZiByZWN0YW5nbGUgaXM6ICI8PCAyKihhK2IpIDw8ZW5kbDsKfQp2b2lkIHBlcmltZXRlcjo6c3F1YXJlKCl7CiAgICBjb3V0PDwiVGhlIHBlcmltZXRlciBvZiBzcXVhcmUgaXM6ICI8PCA0KmEgPDxlbmRsOwp9CnZvaWQgcGVyaW1ldGVyOjpjaXJjbGUoKXsKICAgIGNvdXQ8PCJUaGUgcGVyaW1ldGVyIG9mIGNpcmNsZSBpczogIjw8IDIqMy4xNDE2KmEgPDxlbmRsOwp9CgoKaW50IG1haW4oKQp7CiAgICBwZXJpbWV0ZXIgYWE7CiAgICBjaW4+PmFhLmE+PmFhLmI+PmFhLmM7CiAgICBhYS50cmlhbmdsZSgpOwogICAgYWEucmVjdGFuZ2xlKCk7CiAgICBhYS5jaXJjbGUoKTsKICAgIGFhLnNxdWFyZSgpOwogICAgcmV0dXJuIDA7Cn0K