#include <stdio.h>
int try(int x,int y,int z);
main()
{
int x=2,y=3,z=4;
printf("1 x=%d y=%d z=%d\n",x,y,z);
int try(int x,int y,int z);
printf("4 x=%d y=%d z=%d\n",x,y,z);
return 0;
}
int try(int x,int y,int z)
{ printf("2 x=%d y=%d z=%d\n",x,y,z);
z=x+y;
x=x*x;
y=y*y;
printf("3 x=%d y=%d z=%d",x,y,z);
}