2v,15w,3v2v,w,2f,a,f,a,f,w,f,a,f,a,2f,w,3v2v,w,a,5f,a,5f,a,w,3v2v,w,2f,w,f,a,f,w,f,a,f,w,2f,w,3v2v,2w,f,2w,f,a,w,a,f,2w,f,2w,3v3v,w,5f,w,5f,w,4v3v,w,f,a,f,a,f,w,f,a,f,a,f,w,4v3v,w,a,9w,a,w,4v3v,w,f,a,f,a,f,w,f,a,f,a,f,w,4v3v,w,5f,w,5f,w,4v2v,2w,f,2w,f,a,w,a,f,2w,f,2w,3v2v,w,2f,w,f,a,f,w,f,a,f,w,2f,w,3v2v,w,a,11f,a,w,3v2v,w,2f,a,f,a,f,w,f,a,f,a,2f,w,3v2v,15w,3v25,27,31,33,43,49,55,67,71,88,90,125,127,131,133,144,154,165,167,171,173,208,210,227,231,243,255,265,267,271,27344,45,46,47,51,52,53,54,87,91,105,107,111,113,144,154,185,187,191,193,207,211,244,245,246,247,249,251,252,253,25449
