#include&nbsp;<stdio.h> 
#include&nbsp;<math.h>  
void&nbsp;main()   
float&nbsp;x,y; 
int&nbsp;year; 
scanf(“%f&nbsp;%f”,&x,&y);  
year&nbsp;=&nbsp;(int)ceil((x*x+y*y)*3.1415926/2/50);         
 printf