46 lines
950 B
C++
46 lines
950 B
C++
#include<stdio.h>
|
|
#include<string.h>
|
|
int main()
|
|
{
|
|
char c[20];
|
|
while(scanf("%s",c),c[0]!='E')
|
|
{
|
|
int x=0,y,flag=1;
|
|
int k;
|
|
for(int i=0;c[i];i++)
|
|
{
|
|
if(c[i]=='-'&&i==0)
|
|
flag=-1;
|
|
else
|
|
x=x*10+c[i]-48;
|
|
}
|
|
x=x*flag;
|
|
scanf("%d",&y);
|
|
if(x<0)
|
|
x=-x;
|
|
if(y<0)
|
|
y=-y;
|
|
if(y<x) {k=x;x=y;y=k;}
|
|
if(y<=2*x)
|
|
{
|
|
if(x==1&&y==1)
|
|
printf("2\n");
|
|
else if(x==2&&y==2)
|
|
printf("4\n");
|
|
else
|
|
printf("%d\n",(x+y)/3+(x+y)%3);
|
|
}
|
|
else
|
|
{
|
|
int ans=x;
|
|
int c=(y-2*x)%4;
|
|
ans+=c;
|
|
ans+=(y-2*x-c)/2;
|
|
if(y==1&&x==0)
|
|
ans=3;
|
|
printf("%d\n",ans);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|