The hero Crakko goes for a run every morning, regardless of the time of year and weather conditions. Today the weather is nice, it’s summer outside, a moderately warm summer morning is a great reason to go for a run. However, as soon as the hero began to run, a firecracker was discovered on the road. The runner managed to jump over it, but then saw another, a third, and so on. It turns out that the day before there was some kind of event that ended with fireworks, but some of the firecrackers were not used, and some did not explode and remained lying on the road. Help the hero Crakko deftly jump over all obstacles.