#include <iostream>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {
	int i=4;
	int j=4;
	int arr[i][j] ={
	{3,5,2,1},
	{2,3,1,5},
	{2,1,0,5},
	{9,5,6,3}
	};
	int d=0,e=0,f=0,g=0;
	for(int i=0; i<4;i++)
	for(int j=0; j<4;j++)
	{
		{
			if (i==0){
				d+=arr[i][j];
			}
			if (i==1){
				e+=arr[i][j];
			}
			if (i==2){
				f+=arr[i][j];
			}
			if (i==3){
				g+=arr[i][j];
			}
		}
	}
	std::cout<<"d: "<<d<<std::endl;
		std::cout<<"e: "<<e<<std::endl;
			std::cout<<"f: "<<f<<std::endl;
				std::cout<<"g: "<<g<<std::endl;

	return 0;
}