16 lines
382 B
JavaScript
16 lines
382 B
JavaScript
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var lines = require("fs").readFileSync("input.txt").toString().split("\n").filter((a)=>(a));
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var top = lines[0].split(" ")[0];
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var oldtop = "";
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while(oldtop != top){
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oldtop = top;
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for(var line of lines){
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console.log(line);
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if(line.indexOf("->") != -1){
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if(line.split(" -> ")[1].split(", ").indexOf(top) != -1){
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top = line.split(" ")[0];
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}
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}
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}
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}
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console.log(top);
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