#include <iostream>
using namespace std;
int main() 
{
	float sum;
	int st = 3, sub=3;
	float score[st][sub+2]=
	{{86,92,57},{96,98,81},
	 {91,40,92}};
	 int r, c;
	 for(r=0;r<st;r++){
	 	sum=0;
	 	for(c=0;c<sub;c++)
	 	   sum=sum+score[r][c];
	 	   score[r][sub]=sum;
	 	   score[r][sub+1]=sum/sub;
	 }
	 cout<<"num\tCHI\tENG\tMATH"<<endl;
	 for (r = 0;r<st;r++){
	     cout<<r+1<<"\t";
	     for(c=0;c<sub+2;c++)
	        cout<<score[r][c]<<"\t";
	     cout<<endl;
	 }
	// your code goes here
	return 0;
}

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