how star sky a young programmer Polycarpus can not question head he take photo starry sky digital camera analyze result monochrome digital picture the picture represent rectangular matrix consist n line contain m character a character equal 1 correspond photo pixel white 0 blackPolycarpus think find star photo find white pixel surround sideneighbore pixel white 1 111 1 star photo Polycarpus what s cut rectangular area photo mom present this area contain k star the star intersect share white pixel photo the boy cut rectangular area border parallel side photo cut straight pixel bordersnow Polycarpus keep wonder way cut area photo meet condition give Help Polycarpus find number