##设鸡有x只，则兔有（n-x）只 ##2x+(n-x)4=m ##2x+4n-4x=m ##4n-m=2x ##x=(4n-m)/2 n,m=map(int,input().split()) print(int((4n-m)/2),int(n-(4n-m)/2))

#include<stdio.h>
int main()
{
int a=0,b=0,m,n;
scanf("%d %d",&n,&m);
b=(m-2*n)/2;
a=n-b;
printf("%d %d",a,b);
return 0;
}

#include<stdio.h> int main() { int n,m,a,b; scanf("%d%d",&n,&m); a=(4*n-m)/2; b=n-a; printf("%d %d",a,b); return 0; }

#include <stdio.h>
int main(){
    int n,m,a,b;
    scanf("%d%d",&n,&m);
    for( a=0;a<=n;a++)
    {
        b=n-a;
        if(a*2+b*4==m){
            printf("%d %d\n",a,b);
        }
    }
    return 0;

}

#include <stdio.h> int main(){ int n,m,a,b; scanf("%d %d",&n,&m); a=2*n-m/2; b=m/2-n; printf("%d %d",a,b); return 0; }

#include <stdio.h>
int main()
{
    int a,b,m,n;
    scanf("%d%d",&a,&b);
    m=(4*a-b)/2;
    n=a-m;
    printf("%d %d",m,n);
    return 0;
}//

int main() {

int jttl1(int n,int m);
int jttl2(int n,int m);
int n,m,a,b;
scanf("%d %d",&n,&m);
a=jttl1(n,m);
b=jttl2(n,m);
printf("%d %d",a,b);
return 0;

}

int jttl1(int x,int y)

{ return 2*x-0.5**y; }

int jttl2(int x,int y)

{ return 0.5*y-x; }

#include <stdio.h>

int main() { int n,m,a,b;//a是鸡的数量,b是兔子的数量 scanf("%d %d",&n, &m);//n个头,m个脚 b=(m-2*n)/2; a=n-b;

printf("%d %d",a, b);

return 0;

}

#define _CRT_SECURE_NO_DEPRECATE 1 #include<stdio.h> int main() { int n, m, a, b; scanf("%d%d",&n,&m); b = (m - 2*n) / 2; a = n - b; printf("%d %d",a,b); return 0; }

#include<stdio.h> int main (){ int n,m; scanf("%d %d",&n,&m); int a,b; b=(m-2*n)/2; a=n-b; printf("%d %d",a,b);

return 0; }

#include<stdio.h>** ** int main() {** int n,m,a,b;** ** scanf("%d %d",&n,&m);** ** a=(4*n-m)/2;** ** b=n-a;** printf("%d %d",a,b); ** return 0;** }

#include<stdio.h> int main() { int n,m,a,b; scanf("%d %d",&n,&m); for(a=0;a<=n;a++) { for(b=n-a;b>=0;b--) { if(a+bn && a2+b4m) printf("%d %d",a,b); break; } } }