zoj 1110 Dick and Jane

#include <stdio.h>int main(void){int j, a, b, c, s, p, y;while(scanf("%d%d%d%d", &s, &p, &y, &j) != EOF){for(a=12+j-1; a>=s+p; a--)for(b=p; b<=12+j-a; b++){c = 12+j-b-a;if(   ( a == b+s || a == b+s+1 ) && ( b == c+p || b == c+p+1 ) && ( a == y+c || a == y+c+1 )  )goto X;}X:printf("%d %d %dn", a, b, c);}    return 0;}