1043

#include <stdio.h>
int main()
{
 float a,b,c;
    scanf("%f%f%f",&a,&b,&c);
    if(a+c>b && a+b>c && b+c>a)printf("Perimetro = %.1f\n",a+b+c);
       else
    printf("Area = %.1f\n",c*(a+b)/2);
    return 0;
}