编辑代码

#include <stdio.h>
int main () {
    
    int head, leg, chick, rabbit;
    scanf("%d %d", &head, &leg);

    if (leg <= head*2 || leg >= head*4) {
        printf("ERROR\n");
    }
    else {
        rabbit = (leg - 2*head) / 2;
        chick = head - rabbit;
        printf("%d %d\n", chick, rabbit);
    }

    return 0;
}