/*
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	三角形の判定 If_05_sankakukei
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*/

import java.io.*;

class If_05_sankakukei {
	
	public static void main(String[] args) throws Exception {
		
		int a,b,c;
		
		BufferedReader inp=new BufferedReader
			(new InputStreamReader(System.in));
		String keybd;
		
		System.out.print("ａはいくつ-->");
		keybd=inp.readLine();
		a=Integer.parseInt(keybd);
		
		System.out.print("ｂはいくつ-->");
		keybd=inp.readLine();
		b=Integer.parseInt(keybd);

		System.out.print("ｃはいくつ-->");
		keybd=inp.readLine();
		c=Integer.parseInt(keybd);
		
		if ( a+b>c && b+c>a && c+a>b )
			System.out.print("三角形が作れます\n");
		else
			System.out.print("三角形になりません\n");
		
	}
}