#include <stdio.h>
#include <math.h>
int main(){
 int a,b,a1,b1,val=0,c1,c2,c3,i,sq,m,n,k[3],p[3][2],x[3],y[3];
 FILE *in,*out;
 in=fopen("input.txt","r");
 out=fopen("output.txt","w");
 fscanf(in,"%d",&sq);  fscanf(in,"%d",&m);
 if(m>3){
  fprintf(out,"%d",-1);
  return 0;
 }
 for(i=0;i<3;i++){
  fscanf(in,"%d",&k[i]);
  for(c1=0;c1<k[i];c1++){
   if(fmod(sqrt(k[i]-c1),1)==0 && fmod(sqrt(c1),1)==0){
    p[i][0]=sqrt(c1);
    p[i][1]=sqrt(k[i]-c1);
   }
  }
 }
 for(c1=0;c1<2;c1++){
  for(c2=0;c2<3;c2++){
   if(val<p[c2][c1]){
    val=p[c2][c1];
    a=c1;b=c2;
   }
  }
 }
 x[0]=p[b][a]; y[0]=p[b][1?a:0];
 for(c1=0;c1<2;c1++){
  for(c2=0;c2<3;c2++){
   if(val<p[c2][c1] && a!=c1){
    val=p[c2][c1];
    a1=c1;b1=c2;
   }
  }
 }
 y[1]=p[b][a]; x[1]=p[b][1?a:0];
 fprintf(out,"%d",-1);



 fclose(in);  fclose(out);
}