#include <iostream>
int main(){
float sum=0;
int array [3][5] =
{
{ 1, 2, 3, 4, 5, }, // row 0
{ 6, 7, 8, 9, 10, }, // row 1
{ 11, 12, 13, 14, 15 } // row 2
};
for ( i = 0; i < 3; i++ ){
for ( j = 0; j < 5; j++ ){
sum+=array[i][j];
}
}
std::cout << sum << std::endl;
}