global a= int[][] null;

int program (int argc, string[] argv) {
  a = new int[][]{new int[]{0,1,2,3},
                  new int[]{4,5,6,7},
                  new int[]{8,9,10,11}};
  var s=0;
  for(var i=0; i<3; i=i+1;) {
    for(var j=0; j<4; j=j+1;) {
      s=s+a[i][j];
    }
  }
  return s;
}