#include
#include
void main()
{
double c,x,y,U,a,A,B,C,D;
float hx,hy;
hx=0.4;
hy=0.3;
cout<<"x\t"<<"y\t"<<"U\t"<<"\n";
cin>>a;
for(x=0;x<=1;x+=0.4)
for(y=1;y<=2;y+=0.3)
{
c=x*y;
if(c<=-1)
{A=exp(x);
B=a*x;
if(A>B) U=A;
else U=B;
}
else if(c>=2)
{C=pow(x,2);
D=cos(x*y);
if(C