Creating a matrix with for and input

I have created a matrix n*2 that i want the user to input the data (cordinate X , Y)

geom=zeros(nnd,2);

for i=1:nnd

for j=1:2

????????

end

end

Answer 1

[KALYAN ACHARJYA]

nnd=input('Enter nnd ');
...
      geom(i,j)=input('Enter the Value: ')'
..
geom