Calculate matrix in C++

//this program will find the product of two matrices (2columns X 2rows)...
#include<iostream.h>
void main() 
{
	int a[4][4],b[4][4],c[4][4];
	int i,j,k,l;
	cout<<"Enter the value of the matrix a:\n";
	for(i=0;i<2;i++){
		for(j=0;j<2;j++){
			cin>>a[i][j];
		}
	}
	cout<<endl;
	cout<<"Enter the value of the matrix b:\n";
	for(i=0;i<2;i++){
		for(j=0;j<2;j++){
			cin>>b[i][j];
		}
	}

	cout<<"The multiplied value is:\n";
	for(i=0;i<2;i++){
		for(j=0;j<2;j++){
			c[i][j]=0;
			for(k=0;k<2;k++){
				c[i][j]=c[i][j]+(a[i][k]*b[k][j]);
			}
		}
	}
	for(i=0;i<2;i++){
		for(j=0;j<2;j++){
			cout<<c[i][j]<<"  ";
		}
		cout<<"\n";
	}
}