#include<iostream>
using namespace std;
int main()
{
int i,j,sum=0;
int a[3][4];
cout<<"Enter 10 numbers\n";
for(i=0;i<3;i++)
{
for(j=0;j<4;j++)
cin>>a[i][j];
}
cout<<"The numbers are:\n";
for(i=0;i<3;i++)
{
for(j=0;j<4;j++)
cout<<a[i][j]<<" ";
cout<<endl;
}
for(i=0;i<3;i++)
{
for(j=0;j<4;j++)
sum=sum+a[i][j];
}
cout<<"The Sum of the elements in the Matrix is: "<<sum;
}
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